US Bridges

County Highway over N Fk Big Nemaha River

Good

Johnson County, Nebraska · 1.5N 2.3W of Sterling · Structure no. C004900805

Built
2024
1 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete
Length
182 ft
3 main spans
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

County Highway over N Fk Big Nemaha River is a concrete tee beam carrying County Highway over N Fk Big Nemaha River in Johnson County, Nebraska. It was built in 2024, so it is 1 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 30 vehicles a day, projected to reach 51 by 2033. The structure is 182 ft (55.5 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesCounty Highway
CrossesN Fk Big Nemaha River
Location1.5N 2.3W of Sterling
RouteCounty Highway 8
Coordinates40.4795, -96.4217
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6.1 US tons
Inventory rating4.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length182 ft (55.5 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2011)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over N Fk Big Nemaha River built?

It was built in 2024, making it 1 years old in 2025.

What condition is County Highway over N Fk 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 2023.

How much traffic does County Highway over N Fk Big Nemaha River carry?

About 30 vehicles per day (2011 count).

How long is County Highway over N Fk Big Nemaha River?

The structure is 182 ft (55.5 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns County Highway over N Fk Big Nemaha River?

It is owned by the County Highway Agency.