US Bridges

Bu 377 over Bosque River

Fair

Erath County, Texas · 0.3 MI W of US 281 · Structure no. 020730007907036

Built
1928
97 years old, rebuilt 1949
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
330 ft
10 main spans
Daily traffic
7,174
2022 count
Owner
State
State Highway Agency

About this bridge

Bu 377 over Bosque River is a concrete tee beam carrying Bu 377 over Bosque River in Erath County, Texas. It was built in 1928 and reconstructed in 1949, so it is 97 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 5 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 7,174 vehicles a day, roughly 5% of them trucks, projected to reach 7,790 by 2040. The structure is 330 ft (100.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBu 377
CrossesBosque River
Location0.3 MI W of US 281
RouteState Highway 377
StateTexas
Coordinates32.22351, -98.19649
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length330 ft (100.6 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,174 (2022)
Projected traffic7,790 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bu 377 over Bosque River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1949.

What condition is Bu 377 over Bosque River 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 August 2024.

How much traffic does Bu 377 over Bosque River carry?

About 7,174 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Bu 377 over Bosque River?

The structure is 330 ft (100.6 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns Bu 377 over Bosque River?

It is owned by the State Highway Agency.