US Bridges

County Highway over Cedar River

FairPosted for load

Boone County, Nebraska · .1E Cedar Rapids · Structure no. C000605005P

Built
1912
113 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
172 ft
1 main span
Daily traffic
115
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cedar River is a steel truss - thru carrying County Highway over Cedar River in Boone County, Nebraska. It was built in 1912, so it is 113 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 5 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 115 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2041. The structure is 172 ft (52.4 m) long and 19 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.1E Cedar Rapids
RouteCounty Highway 0P50
CountyBoone County
StateNebraska
Coordinates41.56, -98.142
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.2 US tons
Inventory rating6.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span114 ft (34.7 m)
Deck width19 ft (5.8 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic115 (2003)
Projected traffic195 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 1912, making it 113 years old in 2025.

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 June 2023.

How much traffic does County Highway over Cedar River carry?

About 115 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Highway over Cedar River?

The structure is 172 ft (52.4 m) long with a longest span of 114 ft (34.7 m) and a deck 19 ft wide.

Who owns County Highway over Cedar River?

It is owned by the County Highway Agency.