US Bridges

Little Salt Road over Rock Creek (a 138)

Good

Lancaster County, Nebraska · 5.5E 3N of Davey · Structure no. C005530425

Built
1983
42 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
3 main spans
Daily traffic
17
2014 count
Owner
County
County Highway Agency

About this bridge

Little Salt Road over Rock Creek (a 138) is a steel stringer/multi-beam or girder carrying Little Salt Road over Rock Creek (a 138) in Lancaster County, Nebraska. It was built in 1983, so it is 42 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 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 17 vehicles a day, projected to reach 29 by 2034. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesLittle Salt Road
CrossesRock Creek (a 138)
Location5.5E 3N of Davey
RouteCounty Highway 304
Coordinates41.03, -96.553
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.1 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span59 ft (18 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2014)
Projected traffic29 by 2034
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Little Salt Road over Rock Creek (a 138) built?

It was built in 1983, making it 42 years old in 2025.

What condition is Little Salt Road over Rock Creek (a 138) 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 April 2023.

How much traffic does Little Salt Road over Rock Creek (a 138) carry?

About 17 vehicles per day (2014 count).

How long is Little Salt Road over Rock Creek (a 138)?

The structure is 102 ft (31.1 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns Little Salt Road over Rock Creek (a 138)?

It is owned by the County Highway Agency.