US Bridges

N3010 over N. Fork Walnut Creek

FairPosted for load

McClain County, Oklahoma · .5N 1.3E 2N of Blanchard · Structure no. 220150000000000

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3010 over N. Fork Walnut Creek is a steel stringer/multi-beam or girder carrying N3010 over N. Fork Walnut Creek in McClain County, Oklahoma. It was built in 1988, so it is 37 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 150 ft (45.7 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3010
CrossesN. Fork Walnut Creek
Location.5N 1.3E 2N of Blanchard
RouteCounty Highway N3010
CountyMcClain County
StateOklahoma
Coordinates35.17438, -97.63562
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating22.8 US tons
Inventory rating13.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span89 ft (27.1 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$612,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3010 over N. Fork Walnut Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is N3010 over N. Fork Walnut 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 May 2023.

How much traffic does N3010 over N. Fork Walnut Creek carry?

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

How long is N3010 over N. Fork Walnut Creek?

The structure is 150 ft (45.7 m) long with a longest span of 89 ft (27.1 m) and a deck 21 ft wide.

Who owns N3010 over N. Fork Walnut Creek?

It is owned by the City or Municipal Highway Agency.