US Bridges

N3990 (sheridan) over Duck Creek

Fair

Tulsa County, Oklahoma · Sheridan Rd. .3S 201st. · Structure no. 213080000000000

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
486
2024 count
Owner
County
County Highway Agency

About this bridge

N3990 (sheridan) over Duck Creek is a prestressed concrete tee beam carrying N3990 (sheridan) over Duck Creek in Tulsa County, Oklahoma. It was built in 1986, so it is 39 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 486 vehicles a day, roughly 10% of them trucks, projected to reach 777 by 2044. The structure is 150 ft (45.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN3990 (sheridan)
CrossesDuck Creek
LocationSheridan Rd. .3S 201st.
RouteCounty Highway N3990
CountyTulsa County
StateOklahoma
Coordinates35.86598, -95.90843
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.8 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic486 (2024)
Projected traffic777 by 2044
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$612,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3990 (sheridan) over Duck Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is N3990 (sheridan) over Duck 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 November 2023.

How much traffic does N3990 (sheridan) over Duck Creek carry?

About 486 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N3990 (sheridan) over Duck Creek?

The structure is 150 ft (45.8 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns N3990 (sheridan) over Duck Creek?

It is owned by the County Highway Agency.