US Bridges

8th RD over Prairie Creek

Good

Merrick County, Nebraska · 1W 1.2S Archer · Structure no. C006111520

Built
2018
7 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
58 ft
4 main spans
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

8th RD over Prairie Creek is a concrete culvert carrying 8th RD over Prairie Creek in Merrick County, Nebraska. It was built in 2018, so it is 7 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 58 ft (17.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Carries8th RD
CrossesPrairie Creek
Location1W 1.2S Archer
RouteCounty Highway 115
Coordinates41.1443, -98.155
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.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length58 ft (17.7 m)
Longest span14 ft (4.2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th RD over Prairie Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is 8th RD over Prairie 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 October 2022.

How much traffic does 8th RD over Prairie Creek carry?

About 30 vehicles per day (2003 count).

How long is 8th RD over Prairie Creek?

The structure is 58 ft (17.7 m) long with a longest span of 14 ft (4.2 m).

Who owns 8th RD over Prairie Creek?

It is owned by the County Highway Agency.