US Bridges

N105 over Long Branch

Good

Nemaha County, Nebraska · 10S Johnson · Structure no. S105 01771

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
340
2018 count
Owner
State
State Highway Agency

About this bridge

N105 over Long Branch is a prestressed concrete stringer/multi-beam or girder carrying N105 over Long Branch in Nemaha County, Nebraska. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 340 vehicles a day, roughly 10% of them trucks, projected to reach 476 by 2038. The structure is 142 ft (43.3 m) long and 35 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN105
CrossesLong Branch
Location10S Johnson
RouteState Highway 105
Coordinates40.2621, -96.0102
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length142 ft (43.3 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2018)
Projected traffic476 by 2038
Trucks10%
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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N105 over Long Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is N105 over Long Branch 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 July 2024.

How much traffic does N105 over Long Branch carry?

About 340 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N105 over Long Branch?

The structure is 142 ft (43.3 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns N105 over Long Branch?

It is owned by the State Highway Agency.