US Bridges

N4450 (1856C) over Little Cabin Creek

Good

Craig County, Oklahoma · 1.5N of Bluejackets · Structure no. 325280000000000

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

N4450 (1856C) over Little Cabin Creek is a concrete stringer/multi-beam or girder carrying N4450 (1856C) over Little Cabin Creek in Craig County, Oklahoma. It was built in 2022, so it is 3 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 640 by 2042. The structure is 200 ft (61 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN4450 (1856C)
CrossesLittle Cabin Creek
Location1.5N of Bluejackets
RouteCounty Highway N4450
Coordinates36.82295, -95.0723
Functional classRural Major Collector

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 inspectionSeptember 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 rating75.9 US tons
Inventory rating46 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span65 ft (19.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 N4450 (1856C) over Little Cabin Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is N4450 (1856C) over Little Cabin 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 September 2024.

How much traffic does N4450 (1856C) over Little Cabin Creek carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4450 (1856C) over Little Cabin Creek?

The structure is 200 ft (61 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.

Who owns N4450 (1856C) over Little Cabin Creek?

It is owned by the County Highway Agency.