US Bridges

County Highway over Cedar River

FairPosted for load

Boone County, Nebraska · .4S of Primrose · Structure no. C000600715

Built
1935
90 years old, rebuilt 2004
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
263 ft
7 main spans
Daily traffic
45
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cedar River is a steel stringer/multi-beam or girder carrying County Highway over Cedar River in Boone County, Nebraska. It was built in 1935 and reconstructed in 2004, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 76 by 2041. The structure is 263 ft (80.2 m) long and 20 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCedar River
Location.4S of Primrose
RouteCounty Highway 7
CountyBoone County
StateNebraska
Coordinates41.6124, -98.2338
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.3 US tons
Inventory rating27.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans7
Design loadUnknown
Structure length263 ft (80.2 m)
Longest span40 ft (12.2 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2003)
Projected traffic76 by 2041
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 Highway over Cedar River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2004.

What condition is County Highway over Cedar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does County Highway over Cedar River carry?

About 45 vehicles per day (2003 count).

How long is County Highway over Cedar River?

The structure is 263 ft (80.2 m) long with a longest span of 40 ft (12.2 m) and a deck 20 ft wide.

Who owns County Highway over Cedar River?

It is owned by the County Highway Agency.