US Bridges

N2980 over Red Rock Creek

FairPosted for load

Garfield County, Oklahoma · 1.9W 4.3S of Hunter · Structure no. 017160000000000

Built
1926
99 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
43 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2980 over Red Rock Creek is a concrete stringer/multi-beam or girder carrying N2980 over Red Rock Creek in Garfield County, Oklahoma. It was built in 1926, so it is 99 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 43 ft (13.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN2980
CrossesRed Rock Creek
Location1.9W 4.3S of Hunter
RouteCounty Highway N2980
Coordinates36.50162, -97.69328
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating13 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span42 ft (12.7 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 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 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$323,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2980 over Red Rock Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is N2980 over Red Rock 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 April 2024.

How much traffic does N2980 over Red Rock Creek carry?

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

How long is N2980 over Red Rock Creek?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.7 m) and a deck 19 ft wide.

Who owns N2980 over Red Rock Creek?

It is owned by the County Highway Agency.