US Bridges

N11/N91 over North Loup River

Good

Garfield County, Nebraska · 1NE Burwell · Structure no. S011 09274

Built
1940
85 years old, rebuilt 2007
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
3 main spans
Daily traffic
2,065
2018 count
Owner
State
State Highway Agency

About this bridge

N11/N91 over North Loup River is a steel continuous stringer/multi-beam or girder carrying N11/N91 over North Loup River in Garfield County, Nebraska. It was built in 1940 and reconstructed in 2007, so it is 85 years old, older 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 2,065 vehicles a day, roughly 9% of them trucks, projected to reach 2,685 by 2038. The structure is 290 ft (88.4 m) long and 47 ft wide. If it were closed, the detour would be 118.1 mi (190 km).

CarriesN11/N91
CrossesNorth Loup River
Location1NE Burwell
RouteState Highway 11
Coordinates41.7846, -99.1256
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating84.9 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length290 ft (88.4 m)
Longest span109 ft (33.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,065 (2018)
Projected traffic2,685 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed118.1 mi (190 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 N11/N91 over North Loup River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2007.

What condition is N11/N91 over North Loup 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 March 2023.

How much traffic does N11/N91 over North Loup River carry?

About 2,065 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N11/N91 over North Loup River?

The structure is 290 ft (88.4 m) long with a longest span of 109 ft (33.2 m) and a deck 47 ft wide.

Who owns N11/N91 over North Loup River?

It is owned by the State Highway Agency.