Total bridges
84
Public highway bridges in Mason County
County profile · official public datasets
Mason County, TX
84 public highway bridges tracked in the FHWA National Bridge Inventory: 45.2% rated Good, 54.8% Fair, 0% Poor.
- 84
- Public bridges
- 45.2%
- Good condition
- 0%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Mason County pairs a top-quartile lowest Poor-condition share among rated counties in the state with an older average build year than the state inventory.
- Top 15%
- lowest Poor share in state
- 0%
- Poor-condition share
- 84
- public highway bridges
- 1952
- avg year built
Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.
Mason County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Mason County ranks #37 of 247 Texas counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 0%). Mason County, Texas contains 84 public highway bridges. Roughly 45.2% are rated “Good,” 54.8% “Fair,” and 0% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Good condition
45.2%
38 of 84 rated 7-9
Fair condition
54.8%
46 of 84 rated 5-6
Poor condition
0%
0 of 84 rated 4 or below
In-state Poor-share rank
#37 of 247
Among Texas counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 84 NBI-tracked bridges by lowest applicable component rating.
Good 45.2% (38)
Fair 54.8% (46)
Poor 0% (0)
84.5% of Mason County's bridges have passed the 50-year mark
71 of the 84 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 45.2% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.
Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.
When Mason County's bridges were built
84 bridges with a recorded construction year, grouped by decade
- 1910s 2
1910–1919
2 bridges
- 1920s
1920–1929
10 bridges
- 1930s
1930–1939
21 bridges
- 1940s
1940–1949
15 bridges
- 1950s
1950–1959
9 bridges
- 1960s
1960–1969
12 bridges
- 1970s 5
1970–1979
5 bridges
- 1980s 4
1980–1989
4 bridges
- 1990s 2
1990–1999
2 bridges
- 2000s 1
2000–2009
1 bridges
- 2010s 2
2010–2019
2 bridges
- 2020s 1
2020–2029
1 bridges
What this shows Construction peaked in the 1930s, when 21 of the county's bridges still in the inventory were built, which is 25% of those with a recorded year. That cohort is now 85 to 94 years old in the 2024 inventory. Its average build year is 1952, 28 years older than the Texas average of 1980.
How Mason County compares with Texas's closest counties by inventory size
The 5 Texas counties nearest Mason County in number of bridges, with their condition splits. Its 0% Poor share is the 2nd-lowest of these 6. Its average build year of 1952 against a peer-group mean of 1964 is 12 years older.
Showing the 5 closest of 246 Texas counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Llano County | 84 | 40.5% | 59.5% | 0% | 1953 |
| Mason County (this page) | 84 | 45.2% | 54.8% | 0% | 1952 |
| Hood County | 83 | 47% | 51.8% | 1.2% | 1974 |
| Trinity County | 81 | 55.6% | 40.7% | 3.7% | 1975 |
| Cottle County | 80 | 31.3% | 67.5% | 1.3% | 1960 |
| Haskell County | 80 | 46.3% | 52.5% | 1.3% | 1958 |
Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Mason County's. Source: FHWA National Bridge Inventory, 2024 release.
Nationwide counties with similar inventory size or average build year
Two NBI-derived peer sets for Mason County, both outside Texas so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside TX (84 bridges here).
- Chaffee County, CO · 84 bridges
- Elbert County, GA · 84 bridges
- Glynn County, GA · 84 bridges
- Paulding County, GA · 84 bridges
Similar average build year
Nearest mean year-built outside TX (1952 here).
- Warren County, NJ · avg 1952 · 268 bridges
- Maricao County, PR · avg 1952 · 13 bridges
- Kings County, NY · avg 1953 · 242 bridges
- Parke County, IN · avg 1953 · 200 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (84)
US 377
GoodOver: LEON CREEK BRANCH
9.15 MI SW OF SH 29, Mason, TX
Built 1955 Load: 23.6 t ADT: 906
SH 29
GoodOver: DRAW
4.40 MI E OF US 87, Mason, TX
Built 1939 Load: 23.6 t ADT: 1,671
SH 29
GoodOver: DRAW
7.60 MI E OF US 87, Mason, TX
Built 1946 Load: 23.6 t ADT: 1,671
SH 29
GoodOver: MULBERRY CREEK
8.90 MI E OF US 87, Mason, TX
Built 1946 Load: 23.6 t ADT: 1,671
SH 29
GoodOver: DRAW
0.50 MI E OF RM 1900, Mason, TX
Built 1946 Load: 23.6 t ADT: 1,553
SH 29
GoodOver: SAND CREEK
4.70 MI E OF RM 1900, Mason, TX
Built 1946 Load: 23.6 t ADT: 1,553
RM 386
GoodOver: STARK CREEK
1.50 MI N OF SH 29, Mason, TX
Built 1983 Load: 23.6 t ADT: 773
FM 501
GoodOver: DRAW
0.15 MI N OF SH 71, Mason, TX
Built 1959 Load: 23.6 t ADT: 155
RM 1222
GoodOver: WEST RANCH BR
7.20 MI SW OF US 87, Mason, TX
Built 1960 Load: 23.6 t ADT: 100
RM 1222
GoodOver: EAST RANCH BR
5.70 MI W OF US 87, Mason, TX
Built 1964 Load: 23.6 t ADT: 100
RM 1222
GoodOver: ELM BOTTOM CREEK
1.80 MI W OF US 87, Mason, TX
Built 1964 Load: 23.6 t ADT: 100
RM 2389
GoodOver: PETERS CREEK
2.80 MI SW OF RM 1723, Mason, TX
Built 1962 Load: 23.6 t ADT: 317
RM 1900
GoodOver: DRAW
6.90 MI N OF SH 29, Mason, TX
Built 1969 Load: 23.6 t ADT: 101
RM 1900
GoodOver: DRAW
5.80 MI N OF SH 29, Mason, TX
Built 1969 Load: 23.6 t ADT: 101
RM 1900
GoodOver: HERMAN CREEK
3.70 MI N OF SH 29, Mason, TX
Built 1969 Load: 23.6 t ADT: 101
US 87
GoodOver: DRAW
9.40 MI SE OF RM 152, Mason, TX
Built 1929 Load: 24.1 t ADT: 2,995
US 87
GoodOver: DRAW
11.2 MI SE OF RM 152, Mason, TX
Built 1929 Load: 24.1 t ADT: 2,995
US 87
GoodOver: DRAW
1.25 MI S OF RM 1222, Mason, TX
Built 1923 Load: 24.5 t ADT: 2,352
SH 29
GoodOver: DRAW
6.40 MI W OF US 87, Mason, TX
Built 1938 Load: 24.5 t ADT: 1,026
SH 71
GoodOver: BLACK BRANCH
3.20 MI W OF RM 501, Mason, TX
Built 1963 Load: 24.5 t ADT: 2,434
SH 71
GoodOver: LOST CREEK
0.20 MI N OF RM 386, Mason, TX
Built 1963 Load: 24.5 t ADT: 2,064
FM 2618
GoodOver: EAST WILLOW CREEK
0.80 MI E OF RM 386, Mason, TX
Built 1977 Load: 24.5 t ADT: 100
FM 2618
GoodOver: EAST WILLOW CREEK
3.00 MI E OF RM 386, Mason, TX
Built 1977 Load: 24.5 t ADT: 100
POST HILL ST
GoodOver: GAMELS BRANCH
0.05 MI S OF WESTMORELND, Mason, TX
Built 1937 Load: 24.5 t ADT: 379
US 87 SB
GoodOver: COMANCHE CREEK
3.00 MI SE OF SH 29, Mason, TX
Built 1968 Load: 25.4 t ADT: 1,701
US 87/SH 29
GoodOver: KOOCKS BRANCH
0.9 MI S OF US 377, Mason, TX
Built 2015 Load: 32.7 t ADT: 7,181
US 377
GoodOver: LITTLE BLUFF CREEK
4.50 MI SW OF SH 29, Mason, TX
Built 1989 Load: 32.7 t ADT: 906
US 377
GoodOver: HONEY CREEK
1.45 MI SW OF SH 29, Mason, TX
Built 1994 Load: 32.7 t ADT: 988
RM 386
GoodOver: LITTLE WILLOW CREEK
5.60 MI N OF SH 29, Mason, TX
Built 1994 Load: 32.7 t ADT: 415
RM 1871
GoodOver: HONEY CREEK
7.20 MI SW OF US 87, Mason, TX
Built 1989 Load: 32.7 t ADT: 199
RM 1871
GoodOver: Llano River
9.10 MI SW OF US 87, Mason, TX
Built 2021 Load: 32.7 t ADT: 220
SPRING STREET
GoodOver: COMANCHE CREEK
0.5 MI N OF US 87, Mason, TX
Built 2017 Load: 32.7 t ADT: 400
US 87 NB
GoodOver: BEAVER CREEK
0.85 MI NW OF RM 152, Mason, TX
Built 1972 Load: 34.5 t ADT: 1,472
SH 29
GoodOver: LICK BRANCH
5.20 MI W OF US 87, Mason, TX
Built 1937 Load: 40.8 t ADT: 1,026
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.