US Bridges

County Road 1 over Rock Creek

Good

Merrick County, Nebraska · 6S N22 Howard Cl · Structure no. C006130115

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 1 over Rock Creek is a concrete culvert carrying County Road 1 over Rock Creek in Merrick County, Nebraska. It was built in 2023, so it is 2 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 20 vehicles a day, projected to reach 34 by 2033. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesCounty Road 1
CrossesRock Creek
Location6S N22 Howard Cl
RouteCounty Highway 301
Coordinates41.3031, -98.2866
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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating93.7 US tons
Inventory rating72.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length55 ft (16.8 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 traffic20 (2003)
Projected traffic34 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 1 over Rock Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Road 1 over Rock Creek 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 August 2024.

How much traffic does County Road 1 over Rock Creek carry?

About 20 vehicles per day (2003 count).

How long is County Road 1 over Rock Creek?

The structure is 55 ft (16.8 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road 1 over Rock Creek?

It is owned by the County Highway Agency.