US Bridges

FM 308 over Little Tehuacana Crk Rel

Fair

McLennan County, Texas · 1.60 MI NE of IH 35 · Structure no. 091610083404012

Built
1951
74 years old, rebuilt 1969
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
2,315
2018 count
Owner
State
State Highway Agency

About this bridge

FM 308 over Little Tehuacana Crk Rel is a concrete slab carrying FM 308 over Little Tehuacana Crk Rel in McLennan County, Texas. It was built in 1951 and reconstructed in 1969, so it is 74 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 5 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 2,315 vehicles a day, roughly 21% of them trucks, projected to reach 3,260 by 2037. The structure is 75 ft (22.9 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 308
CrossesLittle Tehuacana Crk Rel
Location1.60 MI NE of IH 35
RouteState Highway 308
CountyMcLennan County
StateTexas
Coordinates31.68387, -97.07685
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating20.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,315 (2018)
Projected traffic3,260 by 2037
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$500,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 308 over Little Tehuacana Crk Rel built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1969.

What condition is FM 308 over Little Tehuacana Crk Rel 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 January 2023.

How much traffic does FM 308 over Little Tehuacana Crk Rel carry?

About 2,315 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is FM 308 over Little Tehuacana Crk Rel?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns FM 308 over Little Tehuacana Crk Rel?

It is owned by the State Highway Agency.