US Bridges

N3450 over Pepper Creek

Good

Pawnee County, Oklahoma · 1.4S; 4E of Lela · Structure no. 289920000000000

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

About this bridge

N3450 over Pepper Creek is a steel stringer/multi-beam or girder carrying N3450 over Pepper Creek in Pawnee 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 58 ft (17.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN3450
CrossesPepper Creek
Location1.4S; 4E of Lela
RouteCounty Highway 3450
Coordinates36.30083, -96.85389
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment6: Equal to present minimum criteria
Operating rating44.8 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length58 ft (17.7 m)
Longest span56 ft (17.1 m)
Deck width28 ft (8.5 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 closed6.2 mi (10 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3450 over Pepper Creek built?

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

What condition is N3450 over Pepper 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 July 2023.

How much traffic does N3450 over Pepper Creek carry?

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

How long is N3450 over Pepper Creek?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.

Who owns N3450 over Pepper Creek?

It is owned by the County Highway Agency.