US Bridges

SH 75 over Mustang Creek

Fair

Leon County, Texas · 1.45 MI S of FM 977 · Structure no. 171450016606026

Built
1922
103 years old, rebuilt 1947
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
865
2020 count
Owner
State
State Highway Agency

About this bridge

SH 75 over Mustang Creek is a concrete tee beam carrying SH 75 over Mustang Creek in Leon County, Texas. It was built in 1922 and reconstructed in 1947, so it is 103 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 865 vehicles a day, roughly 14% of them trucks, projected to reach 1,510 by 2033. The structure is 62 ft (18.9 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 75
CrossesMustang Creek
Location1.45 MI S of FM 977
RouteState Highway 75
CountyLeon County
StateTexas
Coordinates31.13613, -95.95794
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 inspectionMarch 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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic865 (2020)
Projected traffic1,510 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 75 over Mustang Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1947.

What condition is SH 75 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 March 2023.

How much traffic does SH 75 over Mustang Creek carry?

About 865 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 75 over Mustang Creek?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.

Who owns SH 75 over Mustang Creek?

It is owned by the State Highway Agency.