US Bridges

Cntry Clb LN.(N330 over Walnut Creek

Fair

Payne County, Oklahoma · Ctry Clb LN&140th Intrs · Structure no. 224720000000000

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

Cntry Clb LN.(N330 over Walnut Creek is a steel stringer/multi-beam or girder carrying Cntry Clb LN.(N330 over Walnut Creek in Payne County, Oklahoma. It was built in 1990, so it is 35 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.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCntry Clb LN.(N330
CrossesWalnut Creek
LocationCtry Clb LN&140th Intrs
RouteCounty Highway N3300
Coordinates35.95661, -97.12283
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.8 US tons
Inventory rating62.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.5 m)
Longest span33 ft (10.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cntry Clb LN.(N330 over Walnut Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cntry Clb LN.(N330 over 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 July 2023.

How much traffic does Cntry Clb LN.(N330 over Walnut Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Cntry Clb LN.(N330 over Walnut Creek?

The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.2 m) and a deck 24 ft wide.

Who owns Cntry Clb LN.(N330 over Walnut Creek?

It is owned by the County Highway Agency.