US Bridges

N3370 over Bellcow Creek

Fair

Lincoln County, Oklahoma · .9S .6E 2.8S of Carney · Structure no. 216010000000000

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
101 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3370 over Bellcow Creek is a concrete stringer/multi-beam or girder carrying N3370 over Bellcow Creek in Lincoln County, Oklahoma. It was built in 1987, so it is 38 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 101 ft (30.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3370
CrossesBellcow Creek
Location.9S .6E 2.8S of Carney
RouteCounty Highway N3370
CountyLincoln County
StateOklahoma
Coordinates35.75667, -97.00011
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3370 over Bellcow Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is N3370 over Bellcow 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 April 2024.

How much traffic does N3370 over Bellcow Creek carry?

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

How long is N3370 over Bellcow Creek?

The structure is 101 ft (30.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns N3370 over Bellcow Creek?

It is owned by the County Highway Agency.