US Bridges

N3320 Western over Creek

Fair

Payne County, Oklahoma · .75 N of SH 51 · Structure no. 315480000000000

Built
2016
9 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
6,445
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3320 Western over Creek is a steel stringer/multi-beam or girder carrying N3320 Western over Creek in Payne County, Oklahoma. It was built in 2016, so it is 9 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 6,445 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 102 ft (31.1 m) long and 56 ft wide.

Location

Open in Google Maps
CarriesN3320 Western
CrossesCreek
Location.75 N of SH 51
RouteCity Street N3320
CountyPayne County
StateOklahoma
Coordinates36.12629, -97.08721
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.1 US tons
Inventory rating56.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span102 ft (31.1 m)
Deck width56 ft (17 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,445 (2022)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N3320 Western over Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N3320 Western 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 February 2023.

How much traffic does N3320 Western over Creek carry?

About 6,445 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3320 Western over Creek?

The structure is 102 ft (31.1 m) long with a longest span of 102 ft (31.1 m) and a deck 56 ft wide.

Who owns N3320 Western over Creek?

It is owned by the City or Municipal Highway Agency.