US Bridges

US 180 over Sour Branch

Fair

Stephens County, Texas · 0.15 MI W of FM 717 · Structure no. 232150001109053

Built
1942
83 years old, rebuilt 1966
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
105 ft
3 main spans
Daily traffic
917
2020 count
Owner
State
State Highway Agency

About this bridge

US 180 over Sour Branch is a concrete tee beam carrying US 180 over Sour Branch in Stephens County, Texas. It was built in 1942 and reconstructed in 1966, so it is 83 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 917 vehicles a day, roughly 18% of them trucks, projected to reach 1,710 by 2033. The structure is 105 ft (32 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 180
CrossesSour Branch
Location0.15 MI W of FM 717
RouteU.S. Route 180
StateTexas
Coordinates32.71348, -98.67087
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic917 (2020)
Projected traffic1,710 by 2033
Trucks18%
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 US 180 over Sour Branch built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1966.

What condition is US 180 over Sour 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 September 2023.

How much traffic does US 180 over Sour Branch carry?

About 917 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is US 180 over Sour Branch?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns US 180 over Sour Branch?

It is owned by the State Highway Agency.