US Bridges

N4000 over Creek

Good

Washington County, Oklahoma · 1.5S 3E of US-75/OK-KS · Structure no. 286630000000000

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
68 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4000 over Creek is a concrete culvert carrying N4000 over Creek in Washington County, Oklahoma. It was built in 2018, so it is 7 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4000
CrossesCreek
Location1.5S 3E of US-75/OK-KS
RouteCounty Highway N4000
Coordinates36.97835, -95.85883
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span32 ft (9.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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$555,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4000 over Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is N4000 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 October 2024.

How much traffic does N4000 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4000 over Creek?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.

Who owns N4000 over Creek?

It is owned by the County Highway Agency.