US Bridges

FM 2318 over Sabanna River

Good

Comanche County, Texas · 2.10 MI SW of FM 587 · Structure no. 230470270301001

Built
1964
61 years old, rebuilt 1991
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
230 ft
6 main spans
Daily traffic
167
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2318 over Sabanna River is a concrete stringer/multi-beam or girder carrying FM 2318 over Sabanna River in Comanche County, Texas. It was built in 1964 and reconstructed in 1991, so it is 61 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 167 vehicles a day, roughly 3% of them trucks, projected to reach 290 by 2033. The structure is 230 ft (70.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 2318
CrossesSabanna River
Location2.10 MI SW of FM 587
RouteState Highway 2318
StateTexas
Coordinates32.09038, -98.59166
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length230 ft (70.1 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2020)
Projected traffic290 by 2033
Trucks3%
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 2318 over Sabanna River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is FM 2318 over Sabanna River 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 August 2023.

How much traffic does FM 2318 over Sabanna River carry?

About 167 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is FM 2318 over Sabanna River?

The structure is 230 ft (70.1 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns FM 2318 over Sabanna River?

It is owned by the State Highway Agency.