Total bridges
137
Public highway bridges in Robertson County
County profile · official public datasets
137 public highway bridges tracked in the FHWA National Bridge Inventory: 32.8% rated Good, 63.5% Fair, 3.6% Poor.
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Robertson County pairs a higher-than-median Poor-condition share among rated counties in the state with an older average build year than the state inventory.
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.
According to the Federal Highway Administration's 2024 National Bridge Inventory, Robertson County ranks #223 of 247 Texas counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 3.6%). Robertson County, Texas contains 137 public highway bridges. Roughly 32.8% are rated “Good,” 63.5% “Fair,” and 3.6% “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.
Total bridges
137
Public highway bridges in Robertson County
Good condition
32.8%
45 of 137 rated 7-9
Fair condition
63.5%
87 of 137 rated 5-6
Poor condition
3.6%
5 of 137 rated 4 or below
In-state Poor-share rank
#223 of 247
Among Texas counties with 5+ bridges, lower share ranks better
Share of 137 NBI-tracked bridges by lowest applicable component rating.
That is 0.8% of the county's reported daily bridge traffic on 3.6% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 674 crossings a day against 2,279 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.
Computed over the 137 of 137 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
83 of the 137 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 32.8% 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.
SH 7 over NAVASOTA RIVER REL NO 2, built 1956, carries 2,592 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 5-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 3,372 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
137 bridges with a recorded construction year, grouped by decade
1920–1929
6 bridges
1930–1939
2 bridges
1940–1949
9 bridges
1950–1959
41 bridges
1960–1969
16 bridges
1970–1979
9 bridges
1980–1989
12 bridges
1990–1999
5 bridges
2000–2009
28 bridges
2010–2019
9 bridges
What this shows Construction peaked in the 1950s, when 41 of the county's bridges still in the inventory were built, which is 29.9% of those with a recorded year. That cohort is now 65 to 74 years old in the 2024 inventory. Its average build year is 1973, 7 years older than the Texas average of 1980.
The 5 Texas counties nearest Robertson County in number of bridges, with their condition splits. Its 3.6% Poor share is the 6th-lowest of these 6. Its average build year of 1973 against a peer-group mean of 1968 is 5 years newer.
Showing the 5 closest of 246 Texas counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Culberson County | 139 | 43.2% | 56.8% | 0% | 1963 |
| Lee County | 139 | 44.6% | 54% | 1.4% | 1980 |
| Upshur County | 139 | 46% | 54% | 0% | 1968 |
| Scurry County | 138 | 48.6% | 50.7% | 0.7% | 1962 |
| Robertson County (this page) | 137 | 32.8% | 63.5% | 3.6% | 1973 |
| Refugio County | 136 | 39.7% | 58.1% | 2.2% | 1969 |
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 Robertson County's. Source: FHWA National Bridge Inventory, 2024 release.
Two NBI-derived peer sets for Robertson County, both outside Texas so the neighborhoods are not the same-state size table above.
Nearest county inventories outside TX (137 bridges here).
Nearest mean year-built outside TX (1973 here).
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Over: SOUTH WALNUT CREEK
1.45 MI NW OF FM 979, Robertson, TX
Over: THREEMILE CREEK
1.22 MI N OF US 79, Robertson, TX
Over: LITTLE BRAZOS RIVER
3.0 MI SW OF FM 1644, Robertson, TX
Over: LITTLE BRAZOS RIVER
1.6 MI NE OF FM 1644, Robertson, TX
Over: MUD CREEK
1.28 MI N OF US 79, Robertson, TX
Over: LITTLE BRAZOS RIVER
1.85 MI E OF FM 50, Robertson, TX
Over: SH 6 - UPRR
1.5 MI S OF FM 485, Robertson, TX
Over: WALNUT CREEK RELIEF NO 1
0.4 MI S OF FM 2159, Robertson, TX
Over: WALNUT CREEK
0.75 MI S OF FM 2159, Robertson, TX
Over: TIDWELL CREEK
0.3 MI N OF FM 979, Robertson, TX
Over: MUD CREEK BRANCH
3.4 MI N OF US 79, Robertson, TX
Over: DRAW
1.6 MI NW OF FM 485, Robertson, TX
Over: LOST CREEK
0.4 MI S OF US 79, Robertson, TX
Over: UP RR
0.9 MI S OF US 79, Robertson, TX
Over: DRAINAGE DITCH
0.8 MI NE OF FM 50, Robertson, TX
Over: SANDY CREEK
1.6 MI W OF FM 2549, Robertson, TX
Over: THREE MILE CREEK
1.1 MI E OF FM 2549, Robertson, TX
Over: MINERAL CREEK BRANCH
1.6 MI E OF FM 46, Robertson, TX
Over: MINERAL CREEK
2.3 MI E OF FM 46, Robertson, TX
Over: LOST CREEK
1.0 MI E OF US 190, Robertson, TX
Over: CADDO CREEK
2.65 MI NW OF FM 979, Robertson, TX
Over: HAY YARD BRANCH
4.0 MI S OF US 79, Robertson, TX
Over: SYZDEK BRANCH
0.9 MI NE OF SH 6, Robertson, TX
Over: CHWASTEK BRANCH
1.2 MI NE OF SH 6, Robertson, TX
Over: ALLIGATOR CREEK
3.2 MI SW OF SH 6, Robertson, TX
Over: BARTON BRANCH
3.7 MI N OF SH 6, Robertson, TX
Over: CHAIR BRANCH
1.2 MI S OF FM 1373, Robertson, TX
Over: WILLOW CREEK
1.4 MI E OF SH 14, Robertson, TX
Over: DRAW
4.2 MI E OF SH 14, Robertson, TX
Over: MUD CREEK
5.4 MI E OF SH 6, Robertson, TX
Over: CAMPBELLS CREEK
1.6 MI NW OF OSR, Robertson, TX
Over: SMALL CREEK
3.2 MI E OF FM 2549, Robertson, TX
Over: TOUCHSTONE CREEK
4.4 MI E OF FM 2549, Robertson, TX
Over: LITTLE BRAZOS RIVER
3.0 MI NE OF FM 50, Robertson, TX
Over: LOST CREEK
0.45 MI SE OF US 79, Robertson, TX
Over: PIN OAK CREEK
1.25 MI E OF FM 2549, Robertson, TX
Over: LITTLE BRAZOS RIVER
2.0 MI W OF SH 6, Robertson, TX
Over: LITTLE BRAZOS RIVER
3.3 MI W OF SH 6, Robertson, TX
Over: MINERAL CREEK RELIEF
2.5 MI N OF US 79, Robertson, TX
Over: MINERAL CREEK
3.0 MI N OF US 79, Robertson, TX
Over: DUCK CREEK RELIEF
4.3 MI S OF FM 979, Robertson, TX
Over: DUCK CREEK
4.0 MI S OF FM 979, Robertson, TX
Over: SANDY CREEK
0.75 MI SW OF COLORADO, Robertson, TX
Over: TIDEWELL CREEK
1.0 MI W OF SH 6, Robertson, TX
Over: LITTLE BRAZOS RIVER
4.0 MI S OF SH 6, Robertson, TX
Over: BRAZOS RIVER
1.0 MI W OF FM 1644, Robertson, TX
Over: DRAW
9.5 MI S OF US 79, Robertson, TX
Over: CAMPBELLS CREEK
5.0 MI E OF FM 50, Robertson, TX
Over: BRAZOS RIVER
6.0 MI W OF SH 6, Robertson, TX
Over: PIN OAK CREEK
1.2 MI E OF FM 2549, Robertson, TX
Read our methodology - how this data is sourced, computed, and verified.
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.