US Bridges

N0330 over Bois Darc Creek

Good

Kay County, Oklahoma · 4 W 2.3 N of Newkirk · Structure no. 330890000000000

Built
2023
2 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
38
2022 count
Owner
County
County Highway Agency

About this bridge

N0330 over Bois Darc Creek is a steel stringer/multi-beam or girder carrying N0330 over Bois Darc Creek in Kay County, Oklahoma. It was built in 2023, so it is 2 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 38 vehicles a day, roughly 10% of them trucks, projected to reach 61 by 2042. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN0330
CrossesBois Darc Creek
Location4 W 2.3 N of Newkirk
RouteCounty Highway N0330
Coordinates36.91306, -97.12083
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic38 (2022)
Projected traffic61 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N0330 over Bois Darc Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is N0330 over Bois Darc 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 January 2023.

How much traffic does N0330 over Bois Darc Creek carry?

About 38 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N0330 over Bois Darc Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns N0330 over Bois Darc Creek?

It is owned by the County Highway Agency.