US Bridges

Township Road over Dead Mans Canyon

Fair

Custer County, Nebraska · 3.5N 6E Broken Bow #134 · Structure no. C002137725

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
40
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Dead Mans Canyon is a steel culvert carrying Township Road over Dead Mans Canyon in Custer County, Nebraska. It was built in 1987, so it is 38 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, projected to reach 68 by 2033. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesTownship Road
CrossesDead Mans Canyon
Location3.5N 6E Broken Bow #134
RouteCounty Highway 377
CountyCuster County
StateNebraska
Coordinates41.4683, -99.52
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2003)
Projected traffic68 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road over Dead Mans Canyon built?

It was built in 1987, making it 38 years old in 2025.

What condition is Township Road over Dead Mans Canyon in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Township Road over Dead Mans Canyon carry?

About 40 vehicles per day (2003 count).

How long is Township Road over Dead Mans Canyon?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Township Road over Dead Mans Canyon?

It is owned by the County Highway Agency.