US Bridges

NS3360 over Long Branch Creek

Good

Noble County, Oklahoma · 3MI.E 1.1MI.S US-177/US64 · Structure no. 286410000000000

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
223
2022 count
Owner
County
County Highway Agency

About this bridge

NS3360 over Long Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying NS3360 over Long Branch Creek in Noble County, Oklahoma. It was built in 2008, so it is 17 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 223 vehicles a day, roughly 10% of them trucks, projected to reach 357 by 2042. The structure is 105 ft (32 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNS3360
CrossesLong Branch Creek
Location3MI.E 1.1MI.S US-177/US64
RouteCounty Highway NS336
Coordinates36.27459, -97.01426
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223 (2022)
Projected traffic357 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$614,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NS3360 over Long Branch Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is NS3360 over Long Branch 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 August 2024.

How much traffic does NS3360 over Long Branch Creek carry?

About 223 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NS3360 over Long Branch 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 NS3360 over Long Branch Creek?

It is owned by the County Highway Agency.