US Bridges

IH 35 over Mustang Creek

Fair

La Salle County, Texas · 8.8 MI S of FM 469 · Structure no. 221420001708131

Built
1957
68 years old, rebuilt 1971
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
74 ft
6 main spans
Daily traffic
23,046
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Mustang Creek is a concrete culvert carrying IH 35 over Mustang Creek in La Salle County, Texas. It was built in 1957 and reconstructed in 1971, so it is 68 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 23,046 vehicles a day, roughly 48% of them trucks, projected to reach 38,330 by 2036. The structure is 74 ft (22.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesIH 35
CrossesMustang Creek
Location8.8 MI S of FM 469
RouteInterstate 35
CountyLa Salle County
StateTexas
Coordinates28.45513, -99.23517
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadOther
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,046 (2020)
Projected traffic38,330 by 2036
Trucks48%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 35 over Mustang Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.

What condition is IH 35 over Mustang 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 2023.

How much traffic does IH 35 over Mustang Creek carry?

About 23,046 vehicles per day (2020 count), of which roughly 48% are trucks.

How long is IH 35 over Mustang Creek?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m).

Who owns IH 35 over Mustang Creek?

It is owned by the State Highway Agency.