US Bridges

N3080 over Red Rock Creek

Fair

Garfield County, Oklahoma · 4 MI E 5.7 MI N Garber · Structure no. 190810000000000

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3080 over Red Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying N3080 over Red Rock Creek in Garfield County, Oklahoma. It was built in 1975, so it is 50 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.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 212 ft (64.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3080
CrossesRed Rock Creek
Location4 MI E 5.7 MI N Garber
RouteCounty Highway N3080
Coordinates36.51975, -97.51555
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 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$738,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3080 over Red Rock Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is N3080 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 N3080 over Red Rock Creek carry?

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

How long is N3080 over Red Rock Creek?

The structure is 212 ft (64.6 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns N3080 over Red Rock Creek?

It is owned by the County Highway Agency.