US Bridges

Township Road over Warm Slough

Good

Merrick County, Nebraska · .8E 3N Chapman · Structure no. C006111705

Built
1982
43 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Warm Slough is a concrete culvert carrying Township Road over Warm Slough in Merrick County, Nebraska. It was built in 1982, so it is 43 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 35 vehicles a day, projected to reach 49 by 2033. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesTownship Road
CrossesWarm Slough
Location.8E 3N Chapman
RouteCounty Highway 117
CountyMerrick County
StateNebraska
Coordinates41.0683, -98.135
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic49 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 Warm Slough built?

It was built in 1982, making it 43 years old in 2025.

What condition is Township Road over Warm Slough 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 2024.

How much traffic does Township Road over Warm Slough carry?

About 35 vehicles per day (2003 count).

How long is Township Road over Warm Slough?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Township Road over Warm Slough?

It is owned by the County Highway Agency.