US Bridges

NS3650 over Bird Creek

Fair

Seminole County, Oklahoma · 6.5 S & 1 W of Wewoka · Structure no. 256350000000000

Built
2000
25 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

NS3650 over Bird Creek is a prestressed concrete tee beam carrying NS3650 over Bird Creek in Seminole County, Oklahoma. It was built in 2000, so it is 25 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 53 ft (16.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNS3650
CrossesBird Creek
Location6.5 S & 1 W of Wewoka
RouteCounty Highway N3650
Coordinates35.06401, -96.51154
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating67 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 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 closed3.7 mi (6 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$362,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NS3650 over Bird Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is NS3650 over Bird 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 June 2023.

How much traffic does NS3650 over Bird Creek carry?

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

How long is NS3650 over Bird Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns NS3650 over Bird Creek?

It is owned by the County Highway Agency.