US Bridges

FM 1186 over Gum Slough

Good

Panola County, Texas · 2.10 MI NW of US 79 · Structure no. 191830073102004

Built
1951
74 years old, rebuilt 2022
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
344
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1186 over Gum Slough is a concrete culvert carrying FM 1186 over Gum Slough in Panola County, Texas. It was built in 1951 and reconstructed in 2022, 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 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 344 vehicles a day, roughly 13% of them trucks, projected to reach 630 by 2033. The structure is 26 ft (7.9 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 1186
CrossesGum Slough
Location2.10 MI NW of US 79
RouteState Highway 1186
StateTexas
Coordinates32.2717, -94.23377
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2020)
Projected traffic630 by 2033
Trucks13%
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 Gum Slough built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2022.

What condition is FM 1186 over Gum Slough 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 June 2023.

How much traffic does FM 1186 over Gum Slough carry?

About 344 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FM 1186 over Gum Slough?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 38 ft wide.

Who owns FM 1186 over Gum Slough?

It is owned by the State Highway Agency.