US Bridges

N2330 over Yellowstone Creek

FairPosted for load

Woods County, Oklahoma · 12.6 N 2.6 E of Cora · Structure no. 161870000000000

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
641 ft
32 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2330 over Yellowstone Creek is a steel stringer/multi-beam or girder carrying N2330 over Yellowstone Creek in Woods County, Oklahoma. It was built in 1964, so it is 61 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 641 ft (195.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesN2330
CrossesYellowstone Creek
Location12.6 N 2.6 E of Cora
RouteCounty Highway N2330
Coordinates36.98236, -98.86947
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans32
Design loadUnknown
Structure length641 ft (195.4 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 closed9.9 mi (16 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N2330 over Yellowstone Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is N2330 over Yellowstone Creek 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 January 2024.

How much traffic does N2330 over Yellowstone Creek carry?

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

How long is N2330 over Yellowstone Creek?

The structure is 641 ft (195.4 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns N2330 over Yellowstone Creek?

It is owned by the County Highway Agency.