US Bridges

E0520 over Bitter Creek

Fair

Garfield County, Oklahoma · 3.7W of Douglas · Structure no. 187000000000000

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
63 ft
4 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

E0520 over Bitter Creek is a concrete culvert carrying E0520 over Bitter Creek in Garfield County, Oklahoma. It was built in 1974, so it is 51 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 250 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2042. The structure is 63 ft (19.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE0520
CrossesBitter Creek
Location3.7W of Douglas
RouteCounty Highway E0520
Coordinates36.26034, -97.73652
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
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span17 ft (5.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic400 by 2042
Trucks15%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0520 over Bitter Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is E0520 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 March 2024.

How much traffic does E0520 over Bitter Creek carry?

About 250 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0520 over Bitter Creek?

The structure is 63 ft (19.2 m) long with a longest span of 17 ft (5.2 m) and a deck 36 ft wide.

Who owns E0520 over Bitter Creek?

It is owned by the County Highway Agency.