US Bridges

E0350 over Bitter Creek

Fair

Osage County, Oklahoma · 3 Miles S.W. of Wynona · Structure no. 154130000000000

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

E0350 over Bitter Creek is a concrete culvert carrying E0350 over Bitter Creek in Osage County, Oklahoma. It was built in 1962, so it is 63 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 21 ft (6.4 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesE0350
CrossesBitter Creek
Location3 Miles S.W. of Wynona
RouteCounty Highway E0350
Coordinates36.50654, -96.38777
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 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 geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0350 over Bitter Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is E0350 over Bitter 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 E0350 over Bitter Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0350 over Bitter Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns E0350 over Bitter Creek?

It is owned by the County Highway Agency.