US Bridges

N1980 over Creek

Fair

Woodward County, Oklahoma · 2.E 2.3N of W.W.Airfield · Structure no. 225620000000000

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N1980 over Creek is a steel stringer/multi-beam or girder carrying N1980 over Creek in Woodward County, Oklahoma. It was built in 1990, so it is 35 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 6 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 25 vehicles a day, roughly 15% of them trucks, projected to reach 40 by 2042. The structure is 69 ft (21 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN1980
CrossesCreek
Location2.E 2.3N of W.W.Airfield
RouteCounty Highway N1980
Coordinates36.46789, -99.47985
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 inspectionMay 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length69 ft (21 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$416,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1980 over Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is N1980 over 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 May 2024.

How much traffic does N1980 over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N1980 over Creek?

The structure is 69 ft (21 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns N1980 over Creek?

It is owned by the County Highway Agency.