US Bridges

E1170 over Creek

Good

Washita County, Oklahoma · 2.S 7.1W of Burns Flat · Structure no. 215650000000000

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
63 ft
4 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

E1170 over Creek is a concrete culvert carrying E1170 over Creek in Washita County, Oklahoma. It was built in 1987, so it is 38 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 63 ft (19.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1170
CrossesCreek
Location2.S 7.1W of Burns Flat
RouteCounty Highway E1170
Coordinates35.32033, -99.29606
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span17 ft (5.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1170 over Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is E1170 over Creek 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 March 2023.

How much traffic does E1170 over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1170 over Creek?

The structure is 63 ft (19.2 m) long with a longest span of 17 ft (5.2 m) and a deck 26 ft wide.

Who owns E1170 over Creek?

It is owned by the County Highway Agency.