US Bridges

N2360 over Friendship Creek

Good

Washita County, Oklahoma · 3.0MI.E&1.4MI.N Cld Chief · Structure no. 283680000000000

Built
2007
18 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2360 over Friendship Creek is a prestressed concrete stringer/multi-beam or girder carrying N2360 over Friendship Creek in Washita County, Oklahoma. It was built in 2007, so it is 18 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 8 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 10% of them trucks, projected to reach 80 by 2042. The structure is 187 ft (57 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN2360
CrossesFriendship Creek
Location3.0MI.E&1.4MI.N Cld Chief
RouteCounty Highway N2360
Coordinates35.26913, -98.78239
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length187 ft (57 m)
Longest span73 ft (22.3 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N2360 over Friendship Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is N2360 over Friendship 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 January 2023.

How much traffic does N2360 over Friendship Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2360 over Friendship Creek?

The structure is 187 ft (57 m) long with a longest span of 73 ft (22.3 m) and a deck 28 ft wide.

Who owns N2360 over Friendship Creek?

It is owned by the County Highway Agency.