US Bridges

N11 over Middle Loup River

Fair

Howard County, Nebraska · Sjct N11/N58 .5S · Structure no. S011 02748

Built
1990
35 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
683 ft
6 main spans
Daily traffic
2,100
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over Middle Loup River is a steel continuous stringer/multi-beam or girder carrying N11 over Middle Loup River in Howard County, Nebraska. It was built in 1990, so it is 35 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,100 vehicles a day, roughly 9% of them trucks, projected to reach 2,835 by 2038. The structure is 683 ft (208.2 m) long and 43 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

CarriesN11
CrossesMiddle Loup River
LocationSjct N11/N58 .5S
RouteState Highway 11
Coordinates41.07, -98.6138
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length683 ft (208.2 m)
Longest span125 ft (38.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2018)
Projected traffic2,835 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 N11 over Middle Loup River built?

It was built in 1990, making it 35 years old in 2025.

What condition is N11 over Middle Loup River 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 November 2024.

How much traffic does N11 over Middle Loup River carry?

About 2,100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N11 over Middle Loup River?

The structure is 683 ft (208.2 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.

Who owns N11 over Middle Loup River?

It is owned by the State Highway Agency.