US Bridges

U.S. 81 over Killpecker Creek

Good

Grant County, Oklahoma · .1N of JCT U.S. 60. · Structure no. 298640000000000

Built
2014
11 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
62 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 81 over Killpecker Creek is a concrete culvert carrying U.S. 81 over Killpecker Creek in Grant County, Oklahoma. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 16% of them trucks, projected to reach 3,200 by 2042. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesU.S. 81
CrossesKillpecker Creek
Location.1N of JCT U.S. 60.
RouteU.S. Route 81
Coordinates36.67111, -97.80417
Functional classRural Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 81 over Killpecker Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is U.S. 81 over Killpecker 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 2024.

How much traffic does U.S. 81 over Killpecker Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 81 over Killpecker Creek?

The structure is 62 ft (18.9 m) long with a longest span of 14 ft (4.3 m).

Who owns U.S. 81 over Killpecker Creek?

It is owned by the State Highway Agency.