US Bridges

L55X over Salt Creek

Good

Lancaster County, Nebraska · Ncl Lincoln · Structure no. SL55X00177

Built
1974
51 years old, rebuilt 2016
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
302 ft
3 main spans
Daily traffic
10,115
2018 count
Owner
State
State Highway Agency

About this bridge

L55X over Salt Creek is a steel continuous stringer/multi-beam or girder carrying L55X over Salt Creek in Lancaster County, Nebraska. It was built in 1974 and reconstructed in 2016, so it is 51 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 10,115 vehicles a day, roughly 8% of them trucks, projected to reach 13,150 by 2038. The structure is 302 ft (92 m) long and 90 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesL55X
CrossesSalt Creek
LocationNcl Lincoln
RouteState Highway 0L55X
Coordinates40.8839, -96.6434
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92 m)
Longest span120 ft (36.6 m)
Deck width90 ft (27.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,115 (2018)
Projected traffic13,150 by 2038
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemYes

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 L55X over Salt Creek built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2016.

What condition is L55X over Salt 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 February 2025.

How much traffic does L55X over Salt Creek carry?

About 10,115 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is L55X over Salt Creek?

The structure is 302 ft (92 m) long with a longest span of 120 ft (36.6 m) and a deck 90 ft wide.

Who owns L55X over Salt Creek?

It is owned by the State Highway Agency.