US Bridges

US 87 over Gunn Branch

Fair

Wilson County, Texas · 0.80 MI NW of FM 539 · Structure no. 152470014303008

Built
1924
101 years old, rebuilt 1958
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
106 ft
5 main spans
Daily traffic
7,770
2023 count
Owner
State
State Highway Agency

About this bridge

US 87 over Gunn Branch is a concrete slab carrying US 87 over Gunn Branch in Wilson County, Texas. It was built in 1924 and reconstructed in 1958, so it is 101 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 7,770 vehicles a day, roughly 13% of them trucks, projected to reach 10,878 by 2042. The structure is 106 ft (32.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 87
CrossesGunn Branch
Location0.80 MI NW of FM 539
RouteU.S. Route 87
StateTexas
Coordinates29.28135, -98.06566
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating65 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length106 ft (32.3 m)
Longest span22 ft (6.7 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,770 (2023)
Projected traffic10,878 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 87 over Gunn Branch built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1958.

What condition is US 87 over Gunn 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 July 2024.

How much traffic does US 87 over Gunn Branch carry?

About 7,770 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 87 over Gunn Branch?

The structure is 106 ft (32.3 m) long with a longest span of 22 ft (6.7 m) and a deck 49 ft wide.

Who owns US 87 over Gunn Branch?

It is owned by the State Highway Agency.