US Bridges

IRR E0770 over Turkey Creek

Fair

Lincoln County, Oklahoma · 4.1 W 1.S of Elba · Structure no. 030020000000000

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
101 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0770 over Turkey Creek is a concrete stringer/multi-beam or girder carrying IRR E0770 over Turkey Creek in Lincoln County, Oklahoma. It was built in 1992, so it is 33 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 101 ft (30.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIRR E0770
CrossesTurkey Creek
Location4.1 W 1.S of Elba
RouteCounty Highway E0770
CountyLincoln County
StateOklahoma
Coordinates35.89861, -96.73206
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 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$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0770 over Turkey Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is IRR E0770 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 March 2024.

How much traffic does IRR E0770 over Turkey Creek carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0770 over Turkey Creek?

The structure is 101 ft (30.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns IRR E0770 over Turkey Creek?

It is owned by the County Highway Agency.