US Bridges

FM 323 over Snake Creek

Fair

Anderson County, Texas · 7.8 MI SE of US 84 · Structure no. 100010089102003

Built
1954
71 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
497
2020 count
Owner
State
State Highway Agency

About this bridge

FM 323 over Snake Creek is a concrete culvert carrying FM 323 over Snake Creek in Anderson County, Texas. It was built in 1954, so it is 71 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 497 vehicles a day, roughly 11% of them trucks, projected to reach 680 by 2033. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 323
CrossesSnake Creek
Location7.8 MI SE of US 84
RouteState Highway 323
StateTexas
Coordinates31.70754, -95.50436
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans3
Design loadOther
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic497 (2020)
Projected traffic680 by 2033
Trucks11%
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 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 FM 323 over Snake Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is FM 323 over Snake Creek 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 December 2022.

How much traffic does FM 323 over Snake Creek carry?

About 497 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 323 over Snake Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns FM 323 over Snake Creek?

It is owned by the State Highway Agency.