US Bridges

County Highway over Trib S Frk Big Nemaha

Good

Pawnee County, Nebraska · 1N N8 Pawnee Cl · Structure no. C006724915

Built
1998
27 years old
Condition
Good
inspected July 2021
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Trib S Frk Big Nemaha is a concrete continuous slab carrying County Highway over Trib S Frk Big Nemaha in Pawnee County, Nebraska. It was built in 1998, so it is 27 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 20 vehicles a day, projected to reach 34 by 2033. The structure is 122 ft (37.2 m) long and 30 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesTrib S Frk Big Nemaha
Location1N N8 Pawnee Cl
RouteCounty Highway 249
CountyPawnee County
StateNebraska
Coordinates40.0567, -96.01
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 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 rating72.8 US tons
Inventory rating41.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 Trib S Frk Big Nemaha built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Highway over Trib S Frk Big Nemaha 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 2021.

How much traffic does County Highway over Trib S Frk Big Nemaha carry?

About 20 vehicles per day (2003 count).

How long is County Highway over Trib S Frk Big Nemaha?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns County Highway over Trib S Frk Big Nemaha?

It is owned by the County Highway Agency.