US Bridges

Parrish Ave over Pine CR

PoorPosted for load

Buchanan County, Iowa · 088082804 · Structure no. 000000000082090

Built
1960
65 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Parrish Ave over Pine CR is a concrete continuous slab carrying Parrish Ave over Pine CR in Buchanan County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 80 by 2043. The structure is 102 ft (31.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesParrish Ave
CrossesPine CR
Location088082804
RouteCounty Highway 0
StateIowa
Coordinates42.41349, -91.78699
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating17.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2013)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Parrish Ave over Pine CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Parrish Ave over Pine CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Parrish Ave over Pine CR carry?

About 80 vehicles per day (2013 count).

How long is Parrish Ave over Pine CR?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.

Who owns Parrish Ave over Pine CR?

It is owned by the County Highway Agency.