US Bridges

N41 over M Br Big Nemaha River

Good

Gage County, Nebraska · 0E Adams · Structure no. S041 08540

Built
1991
34 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
159 ft
3 main spans
Daily traffic
2,350
2018 count
Owner
State
State Highway Agency

About this bridge

N41 over M Br Big Nemaha River is a prestressed concrete stringer/multi-beam or girder carrying N41 over M Br Big Nemaha River in Gage County, Nebraska. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,350 vehicles a day, roughly 14% of them trucks, projected to reach 3,643 by 2038. The structure is 159 ft (48.5 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN41
CrossesM Br Big Nemaha River
Location0E Adams
RouteState Highway 41
Coordinates40.4651, -96.5029
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2018)
Projected traffic3,643 by 2038
Trucks14%
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 N41 over M Br Big Nemaha River built?

It was built in 1991, making it 34 years old in 2025.

What condition is N41 over M Br Big Nemaha River 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 N41 over M Br Big Nemaha River carry?

About 2,350 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N41 over M Br Big Nemaha River?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 38 ft wide.

Who owns N41 over M Br Big Nemaha River?

It is owned by the State Highway Agency.