US Bridges

IRR E0470 over Black Bear Creek

Good

Pawnee County, Oklahoma · .1 E of HWY 64 · Structure no. 307730000000000

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0470 over Black Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR E0470 over Black Bear Creek in Pawnee County, Oklahoma. It was built in 2013, so it is 12 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 10% of them trucks, projected to reach 372 by 2042. The structure is 195 ft (59.4 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRR E0470
CrossesBlack Bear Creek
Location.1 E of HWY 64
RouteCounty Highway E0470
Coordinates36.33333, -96.79461
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic372 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR E0470 over Black Bear Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is IRR E0470 over Black Bear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does IRR E0470 over Black Bear Creek carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0470 over Black Bear Creek?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns IRR E0470 over Black Bear Creek?

It is owned by the County Highway Agency.