US Bridges

N3510 over Wewoka Creek

FairPosted for load

Seminole County, Oklahoma · 1.4 N & 5 W of Seminole · Structure no. 222140000000000

Built
1989
36 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3510 over Wewoka Creek is a steel stringer/multi-beam or girder carrying N3510 over Wewoka Creek in Seminole County, Oklahoma. It was built in 1989, so it is 36 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. 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 47 ft (14.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3510
CrossesWewoka Creek
Location1.4 N & 5 W of Seminole
RouteCounty Highway N3510
Coordinates35.24583, -96.75939
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span37 ft (11.4 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$315,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3510 over Wewoka Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N3510 over Wewoka 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 N3510 over Wewoka Creek carry?

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

How long is N3510 over Wewoka Creek?

The structure is 47 ft (14.2 m) long with a longest span of 37 ft (11.4 m) and a deck 20 ft wide.

Who owns N3510 over Wewoka Creek?

It is owned by the County Highway Agency.