US Bridges

US 377 over Adams Branch

Fair

Brown County, Texas · 0.20 MI SW of US 67 · Structure no. 230250012801027

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
100 ft
4 main spans
Daily traffic
11,977
2023 count
Owner
State
State Highway Agency

About this bridge

US 377 over Adams Branch is a concrete slab carrying US 377 over Adams Branch in Brown County, Texas. It was built in 1950, so it is 75 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 11,977 vehicles a day, roughly 13% of them trucks, projected to reach 23,020 by 2033. The structure is 100 ft (30.5 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 377
CrossesAdams Branch
Location0.20 MI SW of US 67
RouteU.S. Route 377
CountyBrown County
StateTexas
Coordinates31.72574, -98.98051
Functional classUrban Other Principal 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
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,977 (2023)
Projected traffic23,020 by 2033
Trucks13%
Lanes on structure5
Traffic directionTwo-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 US 377 over Adams Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 377 over Adams Branch 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 US 377 over Adams Branch carry?

About 11,977 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 377 over Adams Branch?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 80 ft wide.

Who owns US 377 over Adams Branch?

It is owned by the State Highway Agency.