US Bridges

E0340 over Turkey Creek

FairPosted for load

Alfalfa County, Oklahoma · 1S 4.8E of Helena · Structure no. 232740000000000

Built
1993
32 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

E0340 over Turkey Creek is a prestressed concrete tee beam carrying E0340 over Turkey Creek in Alfalfa County, Oklahoma. It was built in 1993, so it is 32 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2042. The structure is 106 ft (32.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesE0340
CrossesTurkey Creek
Location1S 4.8E of Helena
RouteCounty Highway E0340
CountyAlfalfa County
StateOklahoma
Coordinates36.52124, -98.25166
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 by 2042
Trucks10%
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$524,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0340 over Turkey Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is E0340 over Turkey 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 E0340 over Turkey Creek carry?

About 70 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0340 over Turkey Creek?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns E0340 over Turkey Creek?

It is owned by the County Highway Agency.