US Bridges

FM 308 over Four Mile Creek

Fair

Hill County, Texas · 2.7 MI N of SH 171 · Structure no. 091100083402024

Built
1952
73 years old, rebuilt 1970
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
868
2020 count
Owner
State
State Highway Agency

About this bridge

FM 308 over Four Mile Creek is a concrete culvert carrying FM 308 over Four Mile Creek in Hill County, Texas. It was built in 1952 and reconstructed in 1970, so it is 73 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 868 vehicles a day, roughly 7% of them trucks, projected to reach 990 by 2033. The structure is 21 ft (6.4 m) long and 52 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFM 308
CrossesFour Mile Creek
Location2.7 MI N of SH 171
RouteState Highway 308
CountyHill County
StateTexas
Coordinates31.95251, -96.88223
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width52 ft (15.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic868 (2020)
Projected traffic990 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 308 over Four Mile Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1970.

What condition is FM 308 over Four 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 February 2023.

How much traffic does FM 308 over Four Mile Creek carry?

About 868 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 308 over Four Mile Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns FM 308 over Four Mile Creek?

It is owned by the State Highway Agency.