US Bridges

County Highway over Warm Slough

Good

Merrick County, Nebraska · 2W .3S Chapman · Structure no. C006100910

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Warm Slough is a concrete culvert carrying County Highway over Warm Slough in Merrick County, Nebraska. It was built in 1995, so it is 30 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 30 vehicles a day, projected to reach 42 by 2033. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesWarm Slough
Location2W .3S Chapman
RouteCounty Highway 9
CountyMerrick County
StateNebraska
Coordinates41.015, -98.2067
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 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 alignment9: Superior to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 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 traffic30 (2003)
Projected traffic42 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 County Highway over Warm Slough built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Highway 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 2024.

How much traffic does County Highway over Warm Slough carry?

About 30 vehicles per day (2003 count).

How long is County Highway over Warm Slough?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m).

Who owns County Highway over Warm Slough?

It is owned by the County Highway Agency.