US Bridges

N105 over Stream

Good

Nemaha County, Nebraska · 2S Johnson · Structure no. S105 02567

Built
1980
45 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
455
2018 count
Owner
State
State Highway Agency

About this bridge

N105 over Stream is a concrete culvert carrying N105 over Stream in Nemaha County, Nebraska. It was built in 1980, so it is 45 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 455 vehicles a day, roughly 10% of them trucks, projected to reach 614 by 2038. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN105
CrossesStream
Location2S Johnson
RouteState Highway 105
Coordinates40.3777, -96.0093
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2018)
Projected traffic614 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N105 over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is N105 over Stream 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 Stream carry?

About 455 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N105 over Stream?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns N105 over Stream?

It is owned by the State Highway Agency.