US Bridges

FM 315 over Mound Prairie Creek TR

Good

Anderson County, Texas · 0.5 MI S of FM 321 · Structure no. 100010089002006

Built
1940
85 years old, rebuilt 1965
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,028
2020 count
Owner
State
State Highway Agency

About this bridge

FM 315 over Mound Prairie Creek TR is a concrete culvert carrying FM 315 over Mound Prairie Creek TR in Anderson County, Texas. It was built in 1940 and reconstructed in 1965, so it is 85 years old, older 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 1,028 vehicles a day, roughly 11% of them trucks, projected to reach 1,130 by 2033. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 315
CrossesMound Prairie Creek TR
Location0.5 MI S of FM 321
RouteState Highway 315
StateTexas
Coordinates31.86241, -95.63004
Functional classRural Major 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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,028 (2020)
Projected traffic1,130 by 2033
Trucks11%
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 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 315 over Mound Prairie Creek TR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.

What condition is FM 315 over Mound Prairie Creek TR 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 December 2022.

How much traffic does FM 315 over Mound Prairie Creek TR carry?

About 1,028 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 315 over Mound Prairie Creek TR?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns FM 315 over Mound Prairie Creek TR?

It is owned by the State Highway Agency.