US Bridges

SH 97 over Mustang Creek

Good

La Salle County, Texas · 0.4 MI E of IH 35 Bus · Structure no. 221420048301032

Built
1956
69 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
7,022
2020 count
Owner
State
State Highway Agency

About this bridge

SH 97 over Mustang Creek is a concrete stringer/multi-beam or girder carrying SH 97 over Mustang Creek in La Salle County, Texas. It was built in 1956, so it is 69 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,022 vehicles a day, roughly 14% of them trucks, projected to reach 16,840 by 2033. The structure is 91 ft (27.7 m) long and 43 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSH 97
CrossesMustang Creek
Location0.4 MI E of IH 35 Bus
RouteState Highway 97
StateTexas
Coordinates28.43871, -99.229
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating73 US tons
Inventory rating44 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,022 (2020)
Projected traffic16,840 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 97 over Mustang Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 97 over Mustang Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does SH 97 over Mustang Creek carry?

About 7,022 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 97 over Mustang Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns SH 97 over Mustang Creek?

It is owned by the State Highway Agency.