US Bridges

N15 over UPRR 599-750-S

Good

Jefferson County, Nebraska · Scl Fairbury · Structure no. S015 00903

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
4,620
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over UPRR 599-750-S is a prestressed concrete continuous stringer/multi-beam or girder carrying N15 over UPRR 599-750-S in Jefferson County, Nebraska. It was built in 1999, so it is 26 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 4,620 vehicles a day, roughly 10% of them trucks, projected to reach 6,468 by 2038. The structure is 195 ft (59.4 m) long and 56 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN15
CrossesUPRR 599-750-S
LocationScl Fairbury
RouteState Highway 15
Coordinates40.1324, -97.1708
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating41.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length195 ft (59.4 m)
Longest span82 ft (25 m)
Deck width56 ft (17.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,620 (2018)
Projected traffic6,468 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed12.4 mi (20 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 UPRR 599-750-S built?

It was built in 1999, making it 26 years old in 2025.

What condition is N15 over UPRR 599-750-S 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 2024.

How much traffic does N15 over UPRR 599-750-S carry?

About 4,620 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N15 over UPRR 599-750-S?

The structure is 195 ft (59.4 m) long with a longest span of 82 ft (25 m) and a deck 56 ft wide.

Who owns N15 over UPRR 599-750-S?

It is owned by the State Highway Agency.