US Bridges

E0470 over Black Bear Creek

Fair

Pawnee County, Oklahoma · 4E 1N 1.2E of Lela · Structure no. 256890000000000

Built
1999
26 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E0470 over Black Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying E0470 over Black Bear Creek in Pawnee County, Oklahoma. It was built in 1999, so it is 26 years old, younger 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 10% of them trucks, projected to reach 160 by 2042. The structure is 200 ft (61 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE0470
CrossesBlack Bear Creek
Location4E 1N 1.2E of Lela
RouteCounty Highway E0470
Coordinates36.33327, -96.83439
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.2 US tons
Inventory rating47.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
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$716,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0470 over Black Bear Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is E0470 over Black Bear 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 E0470 over Black Bear Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0470 over Black Bear Creek?

The structure is 200 ft (61 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns E0470 over Black Bear Creek?

It is owned by the County Highway Agency.