US Bridges

County Highway over N Fk Big Nemaha River

Good

Johnson County, Nebraska · SW Edge of Tecumseh · Structure no. C004902920

Built
1996
29 years old
Condition
Good
inspected October 2022
Type
Slab
Concrete Continuous
Length
254 ft
5 main spans
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over N Fk Big Nemaha River is a concrete continuous slab carrying County Highway over N Fk Big Nemaha River in Johnson County, Nebraska. It was built in 1996, so it is 29 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2033. The structure is 254 ft (77.4 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesCounty Highway
CrossesN Fk Big Nemaha River
LocationSW Edge of Tecumseh
RouteCounty Highway 29
Coordinates40.3617, -96.1983
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating84.9 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length254 ft (77.4 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic135 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedNone recorded
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 1996, making it 29 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 October 2022.

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

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

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

The structure is 254 ft (77.4 m) long with a longest span of 56 ft (17.1 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.