US Bridges

N15 over BNSF RR 073-200-K

Fair

Seward County, Nebraska · 1S Seward · Structure no. S015 06549

Built
1967
58 years old, rebuilt 1977
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
9,255
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over BNSF RR 073-200-K is a steel continuous stringer/multi-beam or girder carrying N15 over BNSF RR 073-200-K in Seward County, Nebraska. It was built in 1967 and reconstructed in 1977, so it is 58 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 9,255 vehicles a day, roughly 7% of them trucks, projected to reach 9,440 by 2038. The structure is 151 ft (46 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN15
CrossesBNSF RR 073-200-K
Location1S Seward
RouteState Highway 15
CountySeward County
StateNebraska
Coordinates40.8934, -97.1015
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span58 ft (17.7 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,255 (2018)
Projected traffic9,440 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N15 over BNSF RR 073-200-K built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1977.

What condition is N15 over BNSF RR 073-200-K 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 January 2025.

How much traffic does N15 over BNSF RR 073-200-K carry?

About 9,255 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is N15 over BNSF RR 073-200-K?

The structure is 151 ft (46 m) long with a longest span of 58 ft (17.7 m) and a deck 33 ft wide.

Who owns N15 over BNSF RR 073-200-K?

It is owned by the State Highway Agency.