Williamson County, TX

1,171 public highway bridges

Williamson County Bridge Snapshot

Williamson County, Texas contains 1,171 public highway bridges in the FHWA National Bridge Inventory. Roughly 57% are rated “Good,” 27.8% “Fair,” 0.4% “Poor,” and 0.4% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in TX are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

1,171
Total Bridges
57%
Good
0.4%
Poor
0.4%
Structurally Deficient

Condition Distribution

Good
57% (667)
Fair
27.8% (325)
Poor
0.4% (5)
SD
0.4% (5)

All Bridges (1,171)

SH 95

Fair

Over: DRAIN

0.2 MI N OF FM 1331, Williamson, TX

Built 1941 Load: 23.6 t ADT: 7,288

SH 95

Fair

Over: DRAIN

0.05 MI S OF FM 972, Williamson, TX

Built 1947 Load: 23.6 t ADT: 4,104

SH 95

Fair

Over: DRAIN

1.25 MI S OF FM 972, Williamson, TX

Built 1947 Load: 23.6 t ADT: 4,104

CR 355 (SH 95 ROW)

Fair

Over: DRAW

0.02 MI E OF SH 95, Williamson, TX

Built 1947 Load: 23.6 t ADT: 127

SH 95

Fair

Over: HACKBERRY CREEK

0.85 MI S OF US 79, Williamson, TX

Built 1927 Load: 23.6 t ADT: 4,616

SH 95

Fair

Over: MUSTANG CREEK

0.30 MI N OF US 79, Williamson, TX

Built 1946 Load: 23.6 t ADT: 4,269

SH 95

Fair

Over: DRAW

0.05 MI S OF LP 277, Williamson, TX

Built 1954 Load: 23.6 t ADT: 8,036

SH 29

Fair

Over: BIG HOUSE BRANCH

5.15 MI W OF SH 95, Williamson, TX

Built 1955 Load: 23.6 t ADT: 3,467

SH 29

Fair

Over: DRAW

4.95 MI W OF SH 95, Williamson, TX

Built 1955 Load: 23.6 t ADT: 3,467

SH 138

Fair

Over: S SALADO CREEK

0.30 MI W OF SH 195, Williamson, TX

Built 1923 Load: 23.6 t ADT: 4,170

FM 487

Fair

Over: SCHOOL HOUSE HOLLOW

8.70 MI NW OF IH 35, Williamson, TX

Built 1955 Load: 23.6 t ADT: 1,409

FM 487

Fair

Over: DRAW

5.30 MI W OF IH 35, Williamson, TX

Built 1955 Load: 23.6 t ADT: 1,491

FM 487

Fair

Over: DRAW

2.40 MI W OF IH 35, Williamson, TX

Built 1955 Load: 23.6 t ADT: 2,159

FM 487

Fair

Over: DRAW

1.70 MI W OF IH 35, Williamson, TX

Built 1955 Load: 23.6 t ADT: 3,239

FM 971

Fair

Over: DRAW

5.10 MI E OF SH 95, Williamson, TX

Built 1977 Load: 23.6 t ADT: 439

FM 971

Fair

Over: DRAW

0.80 MI E OF SH 95, Williamson, TX

Built 1977 Load: 23.6 t ADT: 637

FM 1431

Fair

Over: BRANCH OF HONEY BEAR

0.05 MI E OF SAM BASS RD, Williamson, TX

Built 1986 Load: 23.6 t ADT: 40,741

FM 1660

Fair

Over: MUSTANG CREEK

3.80 MI N OF US 79, Williamson, TX

Built 1966 Load: 23.6 t ADT: 1,801

FM 1660

Fair

Over: S FK MUSTANG CK

2.40 MI N OF US 79, Williamson, TX

Built 1966 Load: 23.6 t ADT: 1,801

FM 1105

Fair

Over: DRAW

0.60 MI S OF FM 972, Williamson, TX

Built 1965 Load: 23.6 t ADT: 773

FM 1105

Fair

Over: DRAW

3.35 MI S OF FM 972, Williamson, TX

Built 1965 Load: 23.6 t ADT: 1,233

RM 2243

Fair

Over: DRAW

1.5 MI E OF TOLL 183A, Williamson, TX

Built 1956 Load: 23.6 t ADT: 7,475

RM 2243

Fair

Over: DRAW

1.85 MI E OF TOLL 183A, Williamson, TX

Built 1956 Load: 23.6 t ADT: 6,543

SP 619

Fair

Over: DRAW

0.90 MI E OF FM 619, Williamson, TX

Built 1954 Load: 23.6 t ADT: 222

RM 2338

Fair

Over: DRAW

1.00 MI SE OF FM 970, Williamson, TX

Built 1957 Load: 23.6 t ADT: 1,332

RM 2338

Fair

Over: DRAW

1.80 MI SE OF FM 970, Williamson, TX

Built 1957 Load: 23.6 t ADT: 1,320

RM 2338

Fair

Over: COWAN CREEK

1.7 MI NW OF FM 3405, Williamson, TX

Built 1957 Load: 23.6 t ADT: 3,119

FM 973

Fair

Over: BATTLEGROUND CREEK

1.70 MI S OF US 79, Williamson, TX

Built 1990 Load: 23.6 t ADT: 6,963

FM 973

Fair

Over: AVERY BRANCH

5.10 MI S OF US 79, Williamson, TX

Built 1999 Load: 23.6 t ADT: 5,577

FM 971

Fair

Over: BOTTOM CREEK

5.15 MI E OF BI 35 M, Williamson, TX

Built 1964 Load: 23.6 t ADT: 3,081

FM 971

Fair

Over: HILL BRANCH

0.30 MI W OF SH 95, Williamson, TX

Built 1967 Load: 23.6 t ADT: 1,208

FM 2843

Fair

Over: DRAW

0.90 MI N OF FM 487, Williamson, TX

Built 1972 Load: 23.6 t ADT: 1,599

FM 734 (PARMER LN)

Fair

Over: DRAW

0.6 MI N OF FM 620, Williamson, TX

Built 1994 Load: 23.6 t ADT: 42,557

CR 347

Fair

Over: MIDDLE CREEK

0.15 MI E OF SH 95, Williamson, TX

Built 1989 Load: 23.6 t ADT: 430

CR 426

Fair

Over: TURKEY CREEK BRANCH

3.0 MI N OF US 79, Williamson, TX

Built 1990 Load: 23.6 t ADT: 160

CR 431

Fair

Over: LONG BRANCH

0.30 MI S OF US 79, Williamson, TX

Built 1986 Load: 23.6 t ADT: 180

CR 460

Fair

Over: DRY BRUSHY CREEK

2.80 MI S OF FM 1466, Williamson, TX

Built 1997 Load: 23.6 t ADT: 100

WASHBURN STREET

Fair

Over: BULL BRANCH

0.02 MI S OF THORNDALE ST, Williamson, TX

Built 1997 Load: 23.6 t ADT: 1,000

GATTIS SCHOOL RD

Fair

Over: DRY CREEK BRANCH

0.8 MI E OF LOOP 384, Williamson, TX

Built 1987 Load: 23.6 t ADT: 16,010

MAGER LN

Fair

Over: COTTONWOOD CREEK

0.1 MI E OF FM 1660, Williamson, TX

Built 1990 Load: 23.6 t ADT: 1,910

IH 35 SB FR

Fair

Over: WEST FORK SMITH BRANCH

0.7 MI S OF FM 2243, Williamson, TX

Built 1968 Load: 24.5 t ADT: 1,647

IH 35 SBFR

Fair

Over: DRAW

0.7 MI S OF FM 620, Williamson, TX

Built 1990 Load: 24.5 t ADT: 24,354

SH 29

Fair

Over: DRAIN

5.50 MI W OF US 183, Williamson, TX

Built 1923 Load: 24.5 t ADT: 14,018

US 183

Fair

Over: MASON CREEK

5.9 MI S OF SH 29, Williamson, TX

Built 1927 Load: 24.5 t ADT: 24,549

US 183

Fair

Over: HOUGHTON CREEK

7.6 MI S OF SH 29, Williamson, TX

Built 1927 Load: 24.5 t ADT: 30,552

US 183

Fair

Over: WALKER CREEK

1.4 MI N OF FM 1431, Williamson, TX

Built 1927 Load: 24.5 t ADT: 30,552

US 183

Fair

Over: SPANISH OAK CREEK

9.6 MI S OF SH 29, Williamson, TX

Built 1927 Load: 24.5 t ADT: 30,252

US 183

Fair

Over: CLUCK CREEK

1.6 MI S OF FM 1431, Williamson, TX

Built 1927 Load: 24.5 t ADT: 46,354

US 79

Fair

Over: DRAW

4.3 MI E JCT IH 35, Williamson, TX

Built 1926 Load: 24.5 t ADT: 37,811

US 79 NB

Fair

Over: MUSTANG CREEK

2.75 MI E OF FM 3349, Williamson, TX

Built 1952 Load: 24.5 t ADT: 11,513

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial