US Bridges

CR 310 over Mustang Creek

Good

Lavaca County, Texas · 0.65 MI N of US 77A · Structure no. 131430AA0310001

Built
2022
3 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
22
2017 count
Owner
County
County Highway Agency

About this bridge

CR 310 over Mustang Creek is a prestressed concrete slab carrying CR 310 over Mustang Creek in Lavaca County, Texas. It was built in 2022, so it is 3 years old, younger 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 22 vehicles a day, projected to reach 31 by 2040. The structure is 105 ft (32 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 310
CrossesMustang Creek
Location0.65 MI N of US 77A
RouteCounty Highway 310
CountyLavaca County
StateTexas
Coordinates29.37446, -97.07989
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length105 ft (32 m)
Longest span40 ft (12.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2017)
Projected traffic31 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 310 over Mustang Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is CR 310 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 February 2024.

How much traffic does CR 310 over Mustang Creek carry?

About 22 vehicles per day (2017 count).

How long is CR 310 over Mustang Creek?

The structure is 105 ft (32 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns CR 310 over Mustang Creek?

It is owned by the County Highway Agency.