US Bridges

N3250 over Duck Creek

Good

Kay County, Oklahoma · .25S Hartford CN223 · Structure no. 331670000000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
105 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N3250 over Duck Creek is a concrete stringer/multi-beam or girder carrying N3250 over Duck Creek in Kay County, Oklahoma. It was built in 2024, so it is 1 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 105 ft (32 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3250
CrossesDuck Creek
Location.25S Hartford CN223
RouteCounty Highway N3250
Coordinates36.72028, -97.21056
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N3250 over Duck Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is N3250 over Duck Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does N3250 over Duck Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3250 over Duck Creek?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 28 ft wide.

Who owns N3250 over Duck Creek?

It is owned by the County Highway Agency.