US Bridges

FM 346 over West Mud Creek

Good

Smith County, Texas · 0.4 MI E of US 69 · Structure no. 102120088904016

Built
1991
34 years old
Condition
Good
inspected March 2023
Type
Other
Prestressed Concrete
Length
196 ft
6 main spans
Daily traffic
5,694
2023 count
Owner
State
State Highway Agency

About this bridge

FM 346 over West Mud Creek is a prestressed concrete other carrying FM 346 over West Mud Creek in Smith County, Texas. It was built in 1991, so it is 34 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 5,694 vehicles a day, roughly 4% of them trucks, projected to reach 9,381 by 2041. The structure is 196 ft (59.7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 346
CrossesWest Mud Creek
Location0.4 MI E of US 69
RouteState Highway 346
CountySmith County
StateTexas
Coordinates32.20744, -95.31168
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span35 ft (10.7 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,694 (2023)
Projected traffic9,381 by 2041
Trucks4%
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 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 FM 346 over West Mud Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is FM 346 over West Mud 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 March 2023.

How much traffic does FM 346 over West Mud Creek carry?

About 5,694 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FM 346 over West Mud Creek?

The structure is 196 ft (59.7 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns FM 346 over West Mud Creek?

It is owned by the State Highway Agency.