US Bridges

N3905 over Duck Creek

Fair

Creek County, Oklahoma · .7S .5W of Mounds · Structure no. 236900000000000

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

N3905 over Duck Creek is a prestressed concrete stringer/multi-beam or girder carrying N3905 over Duck Creek in Creek County, Oklahoma. It was built in 1993, so it is 32 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 6 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2042. The structure is 88 ft (26.7 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN3905
CrossesDuck Creek
Location.7S .5W of Mounds
RouteCounty Highway N3905
Coordinates35.86619, -96.05997
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating51.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length88 ft (26.7 m)
Longest span85 ft (25.9 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic400 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$474,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3905 over Duck Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is N3905 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 May 2024.

How much traffic does N3905 over Duck Creek carry?

About 250 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3905 over Duck Creek?

The structure is 88 ft (26.7 m) long with a longest span of 85 ft (25.9 m) and a deck 29 ft wide.

Who owns N3905 over Duck Creek?

It is owned by the County Highway Agency.