US Bridges

Township Road over Comer Canyon

Good

Custer County, Nebraska · .1S Ansley #659A · Structure no. C002109105P

Built
2013
12 years old
Condition
Good
inspected October 2022
Type
Culvert
Steel
Length
37 ft
4 main spans
Daily traffic
75
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Comer Canyon is a steel culvert carrying Township Road over Comer Canyon in Custer County, Nebraska. It was built in 2013, so it is 12 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 75 vehicles a day, projected to reach 127 by 2033. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 12.4 mi (20 km).

CarriesTownship Road
CrossesComer Canyon
Location.1S Ansley #659A
RouteCounty Highway 0P91
Coordinates41.2817, -99.3783
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
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2003)
Projected traffic127 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Township Road over Comer Canyon built?

It was built in 2013, making it 12 years old in 2025.

What condition is Township Road over Comer Canyon 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 Township Road over Comer Canyon carry?

About 75 vehicles per day (2003 count).

How long is Township Road over Comer Canyon?

The structure is 37 ft (11.3 m) long with a longest span of 7 ft (2.1 m).

Who owns Township Road over Comer Canyon?

It is owned by the County Highway Agency.