US Bridges

FM 31 over Eight Mile Creek

Fair

Harrison County, Texas · 0.10 MI NW of IH 20 · Structure no. 191030064001001

Built
1938
87 years old, rebuilt 1964
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
5 main spans
Daily traffic
4,200
2011 count
Owner
State
State Highway Agency

About this bridge

FM 31 over Eight Mile Creek is a steel stringer/multi-beam or girder carrying FM 31 over Eight Mile Creek in Harrison County, Texas. It was built in 1938 and reconstructed in 1964, so it is 87 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 4,200 vehicles a day, roughly 11% of them trucks, projected to reach 7,550 by 2031. The structure is 140 ft (42.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 31
CrossesEight Mile Creek
Location0.10 MI NW of IH 20
RouteState Highway 31
StateTexas
Coordinates32.49503, -94.29838
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length140 ft (42.7 m)
Longest span28 ft (8.5 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2011)
Projected traffic7,550 by 2031
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 31 over Eight Mile Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1964.

What condition is FM 31 over Eight Mile 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 August 2023.

How much traffic does FM 31 over Eight Mile Creek carry?

About 4,200 vehicles per day (2011 count), of which roughly 11% are trucks.

How long is FM 31 over Eight Mile Creek?

The structure is 140 ft (42.7 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns FM 31 over Eight Mile Creek?

It is owned by the State Highway Agency.