US Bridges

SH 146 over Smiths Gully

Fair

Chambers County, Texas · 0.4 MI N of IH 10 · Structure no. 200360038902027

Built
1943
82 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
24,491
2024 count
Owner
State
State Highway Agency

About this bridge

SH 146 over Smiths Gully is a concrete tee beam carrying SH 146 over Smiths Gully in Chambers County, Texas. It was built in 1943 and reconstructed in 1990, so it is 82 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 24,491 vehicles a day, roughly 10% of them trucks, projected to reach 18,010 by 2033. The structure is 90 ft (27.4 m) long and 84 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSH 146
CrossesSmiths Gully
Location0.4 MI N of IH 10
RouteState Highway 146
StateTexas
Coordinates29.82659, -94.89782
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width84 ft (25.6 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,491 (2024)
Projected traffic18,010 by 2033
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 146 over Smiths Gully built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1990.

What condition is SH 146 over Smiths Gully 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 June 2024.

How much traffic does SH 146 over Smiths Gully carry?

About 24,491 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SH 146 over Smiths Gully?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 84 ft wide.

Who owns SH 146 over Smiths Gully?

It is owned by the State Highway Agency.