US Bridges

N4370 over Scs Channel

Fair

Choctaw County, Oklahoma · 4.5S of Ft Towson · Structure no. 318450000000000

Built
2017
8 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

N4370 over Scs Channel is a concrete culvert carrying N4370 over Scs Channel in Choctaw County, Oklahoma. It was built in 2017, so it is 8 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 26 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN4370
CrossesScs Channel
Location4.5S of Ft Towson
RouteCounty Highway N4370
CountyChoctaw County
StateOklahoma
Coordinates33.95237, -95.26072
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N4370 over Scs Channel built?

It was built in 2017, making it 8 years old in 2025.

What condition is N4370 over Scs Channel 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 October 2024.

How much traffic does N4370 over Scs Channel carry?

About 26 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4370 over Scs Channel?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns N4370 over Scs Channel?

It is owned by the County Highway Agency.