US Bridges

3108C/ E1170 over Little Sans Bois Cr.

GoodPosted for load

Haskell County, Oklahoma · .6E of Garland · Structure no. 235230000000000

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

3108C/ E1170 over Little Sans Bois Cr. is a concrete culvert carrying 3108C/ E1170 over Little Sans Bois Cr. in Haskell County, Oklahoma. It was built in 1992, so it is 33 years old, younger than the Oklahoma average of 47.8 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries3108C/ E1170
CrossesLittle Sans Bois Cr.
Location.6E of Garland
RouteCounty Highway 3108C
Coordinates35.31868, -95.04238
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3108C/ E1170 over Little Sans Bois Cr. built?

It was built in 1992, making it 33 years old in 2025.

What condition is 3108C/ E1170 over Little Sans Bois Cr. 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 May 2024.

How much traffic does 3108C/ E1170 over Little Sans Bois Cr. carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 3108C/ E1170 over Little Sans Bois Cr.?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m) and a deck 36 ft wide.

Who owns 3108C/ E1170 over Little Sans Bois Cr.?

It is owned by the County Highway Agency.