US Bridges

SH 71 over Wallace Creek

Fair

Matagorda County, Texas · 1.20 MI S of SH 111 · Structure no. 131580026607050

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
2 main spans
Daily traffic
1,905
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 over Wallace Creek is a prestressed concrete box beam or girders - multiple carrying SH 71 over Wallace Creek in Matagorda County, Texas. It was built in 1976, so it is 49 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 1,905 vehicles a day, roughly 21% of them trucks, projected to reach 2,667 by 2042. The structure is 75 ft (22.9 m) long and 50 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSH 71
CrossesWallace Creek
Location1.20 MI S of SH 111
RouteState Highway 71
StateTexas
Coordinates28.91999, -96.20797
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span37 ft (11.3 m)
Deck width50 ft (15.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,905 (2023)
Projected traffic2,667 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 SH 71 over Wallace Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is SH 71 over Wallace 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 November 2024.

How much traffic does SH 71 over Wallace Creek carry?

About 1,905 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SH 71 over Wallace Creek?

The structure is 75 ft (22.9 m) long with a longest span of 37 ft (11.3 m) and a deck 50 ft wide.

Who owns SH 71 over Wallace Creek?

It is owned by the State Highway Agency.