US Bridges

County Highway over Little Nemaha Riv (r 15)

FairPosted for load

Lancaster County, Nebraska · 2S N2 Otoe Cl · Structure no. C005504910

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
113 ft
1 main span
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Little Nemaha Riv (r 15) is a steel truss - thru carrying County Highway over Little Nemaha Riv (r 15) in Lancaster County, Nebraska. It was built in 1978, so it is 47 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 51 by 2033. The structure is 113 ft (34.4 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesLittle Nemaha Riv (r 15)
Location2S N2 Otoe Cl
RouteCounty Highway 49
CountyLancaster County
StateNebraska
Coordinates40.6859, -96.4639
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating16.5 US tons
Inventory rating8.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span80 ft (24.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Little Nemaha Riv (r 15) built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Highway over Little Nemaha Riv (r 15) 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 June 2023.

How much traffic does County Highway over Little Nemaha Riv (r 15) carry?

About 30 vehicles per day (2003 count).

How long is County Highway over Little Nemaha Riv (r 15)?

The structure is 113 ft (34.4 m) long with a longest span of 80 ft (24.4 m) and a deck 25 ft wide.

Who owns County Highway over Little Nemaha Riv (r 15)?

It is owned by the County Highway Agency.