US Bridges

FM 351 over US 181

Good

Bee County, Texas · 1.6 MI NW of US 59 · Structure no. 160130010008090

Built
1971
54 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
2 main spans
Daily traffic
488
2022 count
Owner
State
State Highway Agency

About this bridge

FM 351 over US 181 is a prestressed concrete stringer/multi-beam or girder carrying FM 351 over US 181 in Bee 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 488 vehicles a day, roughly 1% of them trucks, projected to reach 12,620 by 2033. The structure is 320 ft (97.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 351
CrossesUS 181
Location1.6 MI NW of US 59
RouteState Highway 351
StateTexas
Coordinates28.43067, -97.74126
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span95 ft (29 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic488 (2022)
Projected traffic12,620 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 351 over US 181 built?

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

What condition is FM 351 over US 181 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does FM 351 over US 181 carry?

About 488 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is FM 351 over US 181?

The structure is 320 ft (97.5 m) long with a longest span of 95 ft (29 m) and a deck 36 ft wide.

Who owns FM 351 over US 181?

It is owned by the State Highway Agency.