US Bridges

Township Road over Ponca Creek

Good

Knox County, Nebraska · 1S N12 Boyd Cl · Structure no. C005430130

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
3 main spans
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

Township Road over Ponca Creek is a steel stringer/multi-beam or girder carrying Township Road over Ponca Creek in Knox County, Nebraska. It was built in 1983, so it is 42 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 5 vehicles a day, roughly 5% of them trucks, projected to reach 10 by 2042. The structure is 141 ft (43 m) long and 20 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

Location

Open in Google Maps
CarriesTownship Road
CrossesPonca Creek
Location1S N12 Boyd Cl
RouteCounty Highway 301
CountyKnox County
StateNebraska
Coordinates42.8235, -98.3103
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadUnknown
Structure length141 ft (43 m)
Longest span77 ft (23.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic10 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 Township Road over Ponca Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Township Road over Ponca Creek 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 2023.

How much traffic does Township Road over Ponca Creek carry?

About 5 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Township Road over Ponca Creek?

The structure is 141 ft (43 m) long with a longest span of 77 ft (23.5 m) and a deck 20 ft wide.

Who owns Township Road over Ponca Creek?

It is owned by the County Highway Agency.