US Bridges

N3710 over Mosquito Creek

FairPosted for load

Creek County, Oklahoma · 1W 1.3N of Bellvue · Structure no. 018880000000000

Built
1927
98 years old, rebuilt 1950
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3710 over Mosquito Creek is a steel stringer/multi-beam or girder carrying N3710 over Mosquito Creek in Creek County, Oklahoma. It was built in 1927 and reconstructed in 1950, so it is 98 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. 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 75 ft (22.9 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3710
CrossesMosquito Creek
Location1W 1.3N of Bellvue
RouteCounty Highway N3710
Coordinates35.92114, -96.40506
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.4 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$433,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3710 over Mosquito Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1950.

What condition is N3710 over Mosquito 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 September 2023.

How much traffic does N3710 over Mosquito Creek carry?

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

How long is N3710 over Mosquito Creek?

The structure is 75 ft (22.9 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns N3710 over Mosquito Creek?

It is owned by the County Highway Agency.