US Bridges

N3990 over Cussetah Creek

FairPosted for load

Okmulgee County, Oklahoma · 3.0 E; 0.3 N US62-US75 · Structure no. 219970000000000

Built
1988
37 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3990 over Cussetah Creek is a prestressed concrete tee beam carrying N3990 over Cussetah Creek in Okmulgee County, Oklahoma. It was built in 1988, so it is 37 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 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3990
CrossesCussetah Creek
Location3.0 E; 0.3 N US62-US75
RouteCounty Highway N3990
Coordinates35.6142, -95.90861
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 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 closed3.1 mi (5 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$560,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3990 over Cussetah Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is N3990 over Cussetah 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 N3990 over Cussetah Creek carry?

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

How long is N3990 over Cussetah Creek?

The structure is 120 ft (36.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns N3990 over Cussetah Creek?

It is owned by the County Highway Agency.