US Bridges

N4060 (5664C) over Ash Creek

Good

Okmulgee County, Oklahoma · 3.9N of SH 16 · Structure no. 317080000000000

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4060 (5664C) over Ash Creek is a steel culvert carrying N4060 (5664C) over Ash Creek in Okmulgee County, Oklahoma. It was built in 2016, so it is 9 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN4060 (5664C)
CrossesAsh Creek
Location3.9N of SH 16
RouteCounty Highway N4060
CountyOkmulgee County
StateOklahoma
Coordinates35.79611, -95.78389
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.7 US tons
Inventory rating36.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N4060 (5664C) over Ash Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N4060 (5664C) over Ash 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 September 2024.

How much traffic does N4060 (5664C) over Ash Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4060 (5664C) over Ash Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns N4060 (5664C) over Ash Creek?

It is owned by the County Highway Agency.