US Bridges

U.S. 183 over Mcninn Creek

Fair

Harper County, Oklahoma · 15.3 MI N Woodward Cl · Structure no. 039420000000000

Built
1933
92 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 183 over Mcninn Creek is a concrete culvert carrying U.S. 183 over Mcninn Creek in Harper County, Oklahoma. It was built in 1933, so it is 92 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,100 vehicles a day, roughly 15% of them trucks, projected to reach 1,760 by 2042. The structure is 34 ft (10.4 m) long and 58 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesU.S. 183
CrossesMcninn Creek
Location15.3 MI N Woodward Cl
RouteU.S. Route 183
CountyHarper County
StateOklahoma
Coordinates36.80311, -99.62927
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating30.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width58 ft (17.6 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,760 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 183 over Mcninn Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is U.S. 183 over Mcninn Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does U.S. 183 over Mcninn Creek carry?

About 1,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 183 over Mcninn Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 58 ft wide.

Who owns U.S. 183 over Mcninn Creek?

It is owned by the State Highway Agency.