US Bridges

FM 346 over Henshaw Creek

Good

Smith County, Texas · 0.05 MI W of US 69 · Structure no. 102120088904015

Built
1991
34 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
61 ft
6 main spans
Daily traffic
6,320
2023 count
Owner
State
State Highway Agency

About this bridge

FM 346 over Henshaw Creek is a concrete culvert carrying FM 346 over Henshaw 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 6,320 vehicles a day, roughly 4% of them trucks, projected to reach 7,638 by 2041. The structure is 61 ft (18.6 m) long and 68 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 346
CrossesHenshaw Creek
Location0.05 MI W of US 69
RouteState Highway 346
StateTexas
Coordinates32.20606, -95.31887
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span9 ft (2.7 m)
Deck width68 ft (20.8 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,320 (2023)
Projected traffic7,638 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Henshaw Creek built?

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

What condition is FM 346 over Henshaw 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 Henshaw Creek carry?

About 6,320 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FM 346 over Henshaw Creek?

The structure is 61 ft (18.6 m) long with a longest span of 9 ft (2.7 m) and a deck 68 ft wide.

Who owns FM 346 over Henshaw Creek?

It is owned by the State Highway Agency.