US Bridges

N15 over Big Weedy Creek

Good

Seward County, Nebraska · 4N Seward · Structure no. S015 07094

Built
1956
69 years old, rebuilt 1992
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
4,005
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Big Weedy Creek is a concrete continuous slab carrying N15 over Big Weedy Creek in Seward County, Nebraska. It was built in 1956 and reconstructed in 1992, so it is 69 years old, older than the Nebraska average of 47.1 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 4,005 vehicles a day, roughly 13% of them trucks, projected to reach 4,005 by 2038. The structure is 77 ft (23.5 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN15
CrossesBig Weedy Creek
Location4N Seward
RouteState Highway 15
Coordinates40.9714, -97.1013
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length77 ft (23.5 m)
Longest span31 ft (9.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,005 (2018)
Projected traffic4,005 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N15 over Big Weedy Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is N15 over Big Weedy 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 January 2025.

How much traffic does N15 over Big Weedy Creek carry?

About 4,005 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N15 over Big Weedy Creek?

The structure is 77 ft (23.5 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.

Who owns N15 over Big Weedy Creek?

It is owned by the State Highway Agency.