US Bridges

11th Street over Warm Slough

Good

Merrick County, Nebraska · Central City 11th @ N14 · Structure no. M0465D3805

Built
1961
64 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
200
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

11th Street over Warm Slough is a concrete culvert carrying 11th Street over Warm Slough in Merrick County, Nebraska. It was built in 1961, so it is 64 years old, older 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 280 by 2033. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Carries11th Street
CrossesWarm Slough
LocationCentral City 11th @ N14
RouteCity Street 0D38
Coordinates41.1217, -98.0033
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 alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length37 ft (11.3 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 traffic200 (2003)
Projected traffic280 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 11th Street over Warm Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is 11th Street 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 11th Street over Warm Slough carry?

About 200 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is 11th Street over Warm Slough?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns 11th Street over Warm Slough?

It is owned by the City or Municipal Highway Agency.