US Bridges

N3390 over Creek

Fair

Noble County, Oklahoma · 6E 2.2S of US177/US64 · Structure no. 319340000000000

Built
2017
8 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
2 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

N3390 over Creek is a steel stringer/multi-beam or girder carrying N3390 over Creek in Noble 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2042. The structure is 77 ft (23.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3390
CrossesCreek
Location6E 2.2S of US177/US64
RouteCounty Highway N3390
Coordinates36.25833, -96.96
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N3390 over Creek built?

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

What condition is N3390 over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does N3390 over Creek carry?

About 70 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3390 over Creek?

The structure is 77 ft (23.5 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns N3390 over Creek?

It is owned by the County Highway Agency.