US Bridges

Township Road over Bow Creek Tributary

Good

Knox County, Nebraska · 3.4W 4S of Crofton · Structure no. C005483045

Built
2015
10 years old
Condition
Good
inspected January 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Bow Creek Tributary is a concrete stringer/multi-beam or girder carrying Township Road over Bow Creek Tributary in Knox County, Nebraska. It was built in 2015, so it is 10 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 10 vehicles a day, projected to reach 17 by 2033. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesTownship Road
CrossesBow Creek Tributary
Location3.4W 4S of Crofton
RouteCounty Highway 830
Coordinates42.67, -97.57
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 protection9 ExcellentNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating57.3 US tons
Inventory rating44.1 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road over Bow Creek Tributary built?

It was built in 2015, making it 10 years old in 2025.

What condition is Township Road over Bow Creek Tributary 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 January 2022.

How much traffic does Township Road over Bow Creek Tributary carry?

About 10 vehicles per day (2003 count).

How long is Township Road over Bow Creek Tributary?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Township Road over Bow Creek Tributary?

It is owned by the County Highway Agency.