US Bridges

FM 1186 over Eight Mile Creek Relief

Fair

Harrison County, Texas · 1.6 MI SE of US 59 · Structure no. 191030006301046

Built
1951
74 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
661
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1186 over Eight Mile Creek Relief is a concrete culvert carrying FM 1186 over Eight Mile Creek Relief 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 35 ft (10.7 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM 1186
CrossesEight Mile Creek Relief
Location1.6 MI SE of US 59
RouteState Highway 1186
CountyHarrison County
StateTexas
Coordinates32.37477, -94.32182
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than 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 spans4
Design loadOther
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width45 ft (13.8 m)
Roadway width36 ft (11 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
CrossesRelief for waterway
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 Relief built?

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

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

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

How long is FM 1186 over Eight Mile Creek Relief?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 45 ft wide.

Who owns FM 1186 over Eight Mile Creek Relief?

It is owned by the State Highway Agency.