US Bridges

FM 1186 over Eight Mile Creek

Fair

Harrison County, Texas · 1.35 MI SE of US 59 · Structure no. 191030006301045

Built
1951
74 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
250 ft
10 main spans
Daily traffic
661
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1186 over Eight Mile Creek is a concrete continuous slab carrying FM 1186 over Eight Mile Creek in Harrison County, Texas. It was built in 1951, 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 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 661 vehicles a day, roughly 12% of them trucks, projected to reach 1,480 by 2033. The structure is 250 ft (76.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 1186
CrossesEight Mile Creek
Location1.35 MI SE of US 59
RouteState Highway 1186
StateTexas
Coordinates32.37623, -94.32614
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadOther
Structure length250 ft (76.2 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic661 (2020)
Projected traffic1,480 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1186 over Eight Mile Creek built?

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

What condition is FM 1186 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 1186 over Eight Mile Creek carry?

About 661 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FM 1186 over Eight Mile Creek?

The structure is 250 ft (76.2 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns FM 1186 over Eight Mile Creek?

It is owned by the State Highway Agency.