US Bridges

E1170 over Turkey Creek Trib.

Good

Seminole County, Oklahoma · 2 S & 5.7 W of Little · Structure no. 272500000000000

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

E1170 over Turkey Creek Trib. is a prestressed concrete tee beam carrying E1170 over Turkey Creek Trib. in Seminole County, Oklahoma. It was built in 2003, so it is 22 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1170
CrossesTurkey Creek Trib.
Location2 S & 5.7 W of Little
RouteCounty Highway E1170
Coordinates35.31916, -96.77156
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$479,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1170 over Turkey Creek Trib. built?

It was built in 2003, making it 22 years old in 2025.

What condition is E1170 over Turkey Creek Trib. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does E1170 over Turkey Creek Trib. carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1170 over Turkey Creek Trib.?

The structure is 55 ft (16.9 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns E1170 over Turkey Creek Trib.?

It is owned by the County Highway Agency.