US Bridges

33rd Ave over Crandic RR

Fair

Linn County, Iowa · 000000000 · Structure no. 000000000504805

Built
2006
19 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
3 main spans
Daily traffic
10,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

33rd Ave over Crandic RR is a prestressed concrete stringer/multi-beam or girder carrying 33rd Ave over Crandic RR in Linn County, Iowa. It was built in 2006, so it is 19 years old, younger 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 10,700 vehicles a day, projected to reach 10,700 by 2043. The structure is 302 ft (92.1 m) long and 90 ft wide.

Location

Open in Google Maps
Carries33rd Ave
CrossesCrandic RR
Location000000000
RouteCity Street 0
CountyLinn County
StateIowa
Coordinates41.94347, -91.68832
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.9 US tons
Inventory rating39.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92.1 m)
Longest span105 ft (32 m)
Deck width90 ft (27.4 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2021)
Projected traffic10,700 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 33rd Ave over Crandic RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is 33rd Ave over Crandic RR 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 April 2023.

How much traffic does 33rd Ave over Crandic RR carry?

About 10,700 vehicles per day (2021 count).

How long is 33rd Ave over Crandic RR?

The structure is 302 ft (92.1 m) long with a longest span of 105 ft (32 m) and a deck 90 ft wide.

Who owns 33rd Ave over Crandic RR?

It is owned by the City or Municipal Highway Agency.