US Bridges

N15 over S Fk Swan Creek

Good

Saline County, Nebraska · 3S Western · Structure no. S015 02431

Built
2019
6 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
1,410
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over S Fk Swan Creek is a prestressed concrete stringer/multi-beam or girder carrying N15 over S Fk Swan Creek in Saline County, Nebraska. It was built in 2019, so it is 6 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,410 vehicles a day, roughly 23% of them trucks, projected to reach 2,115 by 2038. The structure is 92 ft (28 m) long and 37 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN15
CrossesS Fk Swan Creek
Location3S Western
RouteState Highway 15
CountySaline County
StateNebraska
Coordinates40.3518, -97.1791
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2018)
Projected traffic2,115 by 2038
Trucks23%
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 S Fk Swan Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is N15 over S Fk Swan 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 August 2022.

How much traffic does N15 over S Fk Swan Creek carry?

About 1,410 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is N15 over S Fk Swan Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.

Who owns N15 over S Fk Swan Creek?

It is owned by the State Highway Agency.