US Bridges

N4395 over Black Fork Creek

Good

Pushmataha County, Oklahoma · .7S of Nashoba · Structure no. 314770000000000

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4395 over Black Fork Creek is a steel stringer/multi-beam or girder carrying N4395 over Black Fork Creek in Pushmataha County, Oklahoma. It was built in 2017, so it is 8 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 230 ft (70.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4395
CrossesBlack Fork Creek
Location.7S of Nashoba
RouteCounty Highway N4395
Coordinates34.47293, -95.21702
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.7 US tons
Inventory rating42.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length230 ft (70.1 m)
Longest span100 ft (30.5 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 N4395 over Black Fork Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is N4395 over Black Fork 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 March 2024.

How much traffic does N4395 over Black Fork Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4395 over Black Fork Creek?

The structure is 230 ft (70.1 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.

Who owns N4395 over Black Fork Creek?

It is owned by the County Highway Agency.