US Bridges

Co. Rd. N396 over Creek

Good

Washington County, Oklahoma · 1. W 1.7 N of US 75 · Structure no. 256260000000000

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. N396 over Creek is a concrete culvert carrying Co. Rd. N396 over Creek in Washington County, Oklahoma. It was built in 1999, so it is 26 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 10% of them trucks, projected to reach 160 by 2042. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCo. Rd. N396
CrossesCreek
Location1. W 1.7 N of US 75
RouteCounty Highway N3960
Coordinates36.81074, -95.95324
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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 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 closed1.9 mi (3 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rd. N396 over Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Co. Rd. N396 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 Co. Rd. N396 over Creek carry?

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

How long is Co. Rd. N396 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.5 m) and a deck 28 ft wide.

Who owns Co. Rd. N396 over Creek?

It is owned by the County Highway Agency.