US Bridges

County Highway over Stream

Good

Boone County, Nebraska · .3 E Primrose · Structure no. C000614205

Built
2014
11 years old
Condition
Good
inspected December 2022
Type
Box Beam or Girders - Multiple
Steel
Length
57 ft
1 main span
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stream is a steel box beam or girders - multiple carrying County Highway over Stream in Boone County, Nebraska. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 25% of them trucks, projected to reach 125 by 2041. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesStream
Location.3 E Primrose
RouteCounty Highway 1420
CountyBoone County
StateNebraska
Coordinates41.6251, -98.2294
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating57.3 US tons
Inventory rating44.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic125 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Stream built?

It was built in 2014, making it 11 years old in 2025.

What condition is County Highway over Stream 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 December 2022.

How much traffic does County Highway over Stream carry?

About 100 vehicles per day (2014 count), of which roughly 25% are trucks.

How long is County Highway over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns County Highway over Stream?

It is owned by the County Highway Agency.