US Bridges

N52 over Cedar River

Fair

Boone County, Nebraska · .2N Cedar Rapids · Structure no. S052 01444

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
395
2018 count
Owner
State
State Highway Agency

About this bridge

N52 over Cedar River is a steel continuous stringer/multi-beam or girder carrying N52 over Cedar River in Boone County, Nebraska. It was built in 1975, so it is 50 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.

It carries about 395 vehicles a day, roughly 8% of them trucks, projected to reach 573 by 2038. The structure is 254 ft (77.4 m) long and 40 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesN52
CrossesCedar River
Location.2N Cedar Rapids
RouteState Highway 52
CountyBoone County
StateNebraska
Coordinates41.5652, -98.1477
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span96 ft (29.3 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2018)
Projected traffic573 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N52 over Cedar River built?

It was built in 1975, making it 50 years old in 2025.

What condition is N52 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 N52 over Cedar River carry?

About 395 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N52 over Cedar River?

The structure is 254 ft (77.4 m) long with a longest span of 96 ft (29.3 m) and a deck 40 ft wide.

Who owns N52 over Cedar River?

It is owned by the State Highway Agency.