US Bridges

N3000 over Red Rock Creek

Fair

Garfield County, Oklahoma · .1 E 3.1 S of Hunter · Structure no. 124630000000000

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

N3000 over Red Rock Creek is a steel stringer/multi-beam or girder carrying N3000 over Red Rock Creek in Garfield County, Oklahoma. It was built in 1950, so it is 75 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 225 vehicles a day, roughly 15% of them trucks, projected to reach 360 by 2042. The structure is 182 ft (55.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3000
CrossesRed Rock Creek
Location.1 E 3.1 S of Hunter
RouteCounty Highway 2428
Coordinates36.5206, -97.65814
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length182 ft (55.5 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic360 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$680,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3000 over Red Rock Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is N3000 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 N3000 over Red Rock Creek carry?

About 225 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3000 over Red Rock Creek?

The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns N3000 over Red Rock Creek?

It is owned by the County Highway Agency.