US Bridges

Township Road over Warm Slough

Good

Merrick County, Nebraska · 1W .1N Chapman · Structure no. C006101115

Built
1979
46 years old
Condition
Good
inspected November 2022
Type
Culvert
Steel
Length
51 ft
4 main spans
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Warm Slough is a steel culvert carrying Township Road over Warm Slough in Merrick County, Nebraska. It was built in 1979, so it is 46 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 25 vehicles a day, projected to reach 35 by 2033. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesTownship Road
CrossesWarm Slough
Location1W .1N Chapman
RouteCounty Highway 11
Coordinates41.0283, -98.1867
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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic35 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 1979, making it 46 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 November 2022.

How much traffic does Township Road over Warm Slough carry?

About 25 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 9 ft (2.7 m).

Who owns Township Road over Warm Slough?

It is owned by the County Highway Agency.