US Bridges

N3450 over Creek

Fair

Payne County, Oklahoma · W. Point Rd; 19th St. .2S · Structure no. 303340000000000

Built
2011
14 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3450 over Creek is a steel stringer/multi-beam or girder carrying N3450 over Creek in Payne County, Oklahoma. It was built in 2011, so it is 14 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3450
CrossesCreek
LocationW. Point Rd; 19th St. .2S
RouteCounty Highway N3450
Coordinates36.09917, -96.855
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length56 ft (17.1 m)
Longest span56 ft (17.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 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 closed3.7 mi (6 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 N3450 over Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is N3450 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 September 2023.

How much traffic does N3450 over Creek carry?

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

How long is N3450 over Creek?

The structure is 56 ft (17.1 m) long with a longest span of 56 ft (17.1 m) and a deck 26 ft wide.

Who owns N3450 over Creek?

It is owned by the County Highway Agency.