US Bridges

SH 31 WB over Cow Creek

Fair

Navarro County, Texas · 14.60 MI E of IH45 · Structure no. 181750016302037

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

SH 31 WB over Cow Creek is a concrete stringer/multi-beam or girder carrying SH 31 WB over Cow Creek in Navarro County, Texas. It was built in 1971, so it is 54 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,700 vehicles a day, roughly 16% of them trucks, projected to reach 4,590 by 2033. The structure is 61 ft (18.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 31 WB
CrossesCow Creek
Location14.60 MI E of IH45
RouteState Highway 31
StateTexas
Coordinates32.13877, -96.19789
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic4,590 by 2033
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 31 WB over Cow Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 31 WB over Cow Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does SH 31 WB over Cow Creek carry?

About 3,700 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SH 31 WB over Cow Creek?

The structure is 61 ft (18.5 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns SH 31 WB over Cow Creek?

It is owned by the State Highway Agency.