US Bridges

N3590 over Hell Roaring Creek

Fair

Pawnee County, Oklahoma · .4W 3.S of Blackburn · Structure no. 175630000000000

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
273 ft
5 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

N3590 over Hell Roaring Creek is a steel stringer/multi-beam or girder carrying N3590 over Hell Roaring Creek in Pawnee County, Oklahoma. It was built in 1969, so it is 56 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 5 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 210 vehicles a day, roughly 15% of them trucks, projected to reach 336 by 2042. The structure is 273 ft (83.2 m) long and 19 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesN3590
CrossesHell Roaring Creek
Location.4W 3.S of Blackburn
RouteCounty Highway N3590
CountyPawnee County
StateOklahoma
Coordinates36.32337, -96.60254
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span70 ft (21.3 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic336 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$847,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3590 over Hell Roaring Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is N3590 over Hell Roaring 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 August 2023.

How much traffic does N3590 over Hell Roaring Creek carry?

About 210 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3590 over Hell Roaring Creek?

The structure is 273 ft (83.2 m) long with a longest span of 70 ft (21.3 m) and a deck 19 ft wide.

Who owns N3590 over Hell Roaring Creek?

It is owned by the County Highway Agency.