US Bridges

US 87 over Comanche Creek

Fair

Mason County, Texas · 0.05 MI N of US 377 · Structure no. 141570007103059

Built
1949
76 years old, rebuilt 1961
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
150 ft
6 main spans
Daily traffic
2,407
2023 count
Owner
State
State Highway Agency

About this bridge

US 87 over Comanche Creek is a concrete continuous slab carrying US 87 over Comanche Creek in Mason County, Texas. It was built in 1949 and reconstructed in 1961, so it is 76 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 2,407 vehicles a day, roughly 18% of them trucks, projected to reach 3,750 by 2033. The structure is 150 ft (45.7 m) long and 48 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUS 87
CrossesComanche Creek
Location0.05 MI N of US 377
RouteU.S. Route 87
CountyMason County
StateTexas
Coordinates30.76429, -99.24593
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating51 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length150 ft (45.7 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,407 (2023)
Projected traffic3,750 by 2033
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 87 over Comanche Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1961.

What condition is US 87 over Comanche Creek 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 June 2023.

How much traffic does US 87 over Comanche Creek carry?

About 2,407 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 87 over Comanche Creek?

The structure is 150 ft (45.7 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns US 87 over Comanche Creek?

It is owned by the State Highway Agency.