US Bridges

FM 186 over Shook Creek

Good

Dimmit County, Texas · 7.4 MI SW of FM 2368 · Structure no. 220640030104043

Built
1987
38 years old, rebuilt 2020
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
60 ft
4 main spans
Daily traffic
1,821
2020 count
Owner
State
State Highway Agency

About this bridge

FM 186 over Shook Creek is a concrete culvert carrying FM 186 over Shook Creek in Dimmit County, Texas. It was built in 1987 and reconstructed in 2020, so it is 38 years old, younger 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 1,821 vehicles a day, roughly 31% of them trucks, projected to reach 4,100 by 2033. The structure is 60 ft (18.3 m) long and 54 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFM 186
CrossesShook Creek
Location7.4 MI SW of FM 2368
RouteState Highway 186
CountyDimmit County
StateTexas
Coordinates28.42209, -99.93922
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span11 ft (3.4 m)
Deck width54 ft (16.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,821 (2020)
Projected traffic4,100 by 2033
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 186 over Shook Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2020.

What condition is FM 186 over Shook Creek 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 September 2024.

How much traffic does FM 186 over Shook Creek carry?

About 1,821 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is FM 186 over Shook Creek?

The structure is 60 ft (18.3 m) long with a longest span of 11 ft (3.4 m) and a deck 54 ft wide.

Who owns FM 186 over Shook Creek?

It is owned by the State Highway Agency.