US Bridges

County Road H over Warm Slough

Good

Merrick County, Nebraska · .5W Chapman · Structure no. C006105205

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
32 ft
3 main spans
Daily traffic
60
2003 count
Owner
County
County Highway Agency

About this bridge

County Road H over Warm Slough is a steel culvert carrying County Road H over Warm Slough in Merrick County, Nebraska. It was built in 2016, so it is 9 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 60 vehicles a day, projected to reach 84 by 2033. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Road H
CrossesWarm Slough
Location.5W Chapman
RouteCounty Highway 52
CountyMerrick County
StateNebraska
Coordinates41.0317, -98.1783
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span8 ft (2.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2003)
Projected traffic84 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road H over Warm Slough built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Road H 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 County Road H over Warm Slough carry?

About 60 vehicles per day (2003 count).

How long is County Road H over Warm Slough?

The structure is 32 ft (9.8 m) long with a longest span of 8 ft (2.4 m) and a deck 20 ft wide.

Who owns County Road H over Warm Slough?

It is owned by the County Highway Agency.