US Bridges

E0570 over 4-D Creek

Fair

Garfield County, Oklahoma · 8S 2.2E of Covington · Structure no. 226310000000000

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E0570 over 4-D Creek is a prestressed concrete tee beam carrying E0570 over 4-D Creek in Garfield County, Oklahoma. It was built in 1989, so it is 36 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 15% of them trucks, projected to reach 160 by 2042. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE0570
Crosses4-D Creek
Location8S 2.2E of Covington
RouteCounty Highway E0570
Coordinates36.18839, -97.54656
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$560,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0570 over 4-D Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is E0570 over 4-D 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 E0570 over 4-D Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0570 over 4-D Creek?

The structure is 120 ft (36.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns E0570 over 4-D Creek?

It is owned by the County Highway Agency.