US Bridges

Adams Pkwy over Cedar River

Fair

Bremer County, Iowa · 000000000 · Structure no. 000000000012240

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
508 ft
5 main spans
Daily traffic
3,666
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adams Pkwy over Cedar River is a steel continuous girder and floorbeam system carrying Adams Pkwy over Cedar River in Bremer County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 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.

It carries about 3,666 vehicles a day, projected to reach 3,666 by 2044. The structure is 508 ft (154.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAdams Pkwy
CrossesCedar River
Location000000000
RouteCity Street 0
CountyBremer County
StateIowa
Coordinates42.73708, -92.47029
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.1 US tons
Inventory rating36 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length508 ft (154.8 m)
Longest span110 ft (33.5 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,666 (2022)
Projected traffic3,666 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Adams Pkwy over Cedar River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Adams Pkwy 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 March 2024.

How much traffic does Adams Pkwy over Cedar River carry?

About 3,666 vehicles per day (2022 count).

How long is Adams Pkwy over Cedar River?

The structure is 508 ft (154.8 m) long with a longest span of 110 ft (33.5 m) and a deck 39 ft wide.

Who owns Adams Pkwy over Cedar River?

It is owned by the City or Municipal Highway Agency.