US Bridges

IRR 5782C over Bird Creek

PoorPosted for load

Osage County, Oklahoma · 3 Nw. of Pawhuska · Structure no. 029450000000000

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 5782C over Bird Creek is a concrete continuous slab carrying IRR 5782C over Bird Creek in Osage County, Oklahoma. It was built in 1930, so it is 95 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 42 ft (12.8 m) long and 18 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesIRR 5782C
CrossesBird Creek
Location3 Nw. of Pawhuska
RouteCounty Highway 5782C
Coordinates36.69534, -96.36619
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating21.6 US tons
Inventory rating13 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 5782C over Bird Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is IRR 5782C over Bird Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does IRR 5782C over Bird Creek carry?

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

How long is IRR 5782C over Bird Creek?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.

Who owns IRR 5782C over Bird Creek?

It is owned by the County Highway Agency.