US Bridges

N2377 over Salt Fork River

Good

Woods County, Oklahoma · 6N 7W .8S of US281/SH11 · Structure no. 319160000000000

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
600 ft
6 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2377 over Salt Fork River is a prestressed concrete stringer/multi-beam or girder carrying N2377 over Salt Fork River in Woods County, Oklahoma. It was built in 2018, so it is 7 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.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 600 ft (182.9 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesN2377
CrossesSalt Fork River
Location6N 7W .8S of US281/SH11
RouteCounty Highway N2377
Coordinates36.96213, -98.78191
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating58 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length600 ft (182.9 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N2377 over Salt Fork River built?

It was built in 2018, making it 7 years old in 2025.

What condition is N2377 over Salt Fork River 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 2024.

How much traffic does N2377 over Salt Fork River carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2377 over Salt Fork River?

The structure is 600 ft (182.9 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns N2377 over Salt Fork River?

It is owned by the County Highway Agency.