US Bridges

A Ave over Dd 150-86

PoorPosted for load

Greene County, Iowa · 000000000 · Structure no. 000000000009670

Built
1964
61 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
293
2022 count
Owner
County
County Highway Agency

About this bridge

A Ave over Dd 150-86 is a steel stringer/multi-beam or girder carrying A Ave over Dd 150-86 in Greene County, Iowa. It was built in 1964, so it is 61 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 293 vehicles a day, roughly 30% of them trucks, projected to reach 293 by 2043. The structure is 43 ft (13.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesA Ave
CrossesDd 150-86
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.03548, -94.62915
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.9 US tons
Inventory rating19.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2022)
Projected traffic293 by 2043
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was A Ave over Dd 150-86 built?

It was built in 1964, making it 61 years old in 2025.

What condition is A Ave over Dd 150-86 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 May 2024.

How much traffic does A Ave over Dd 150-86 carry?

About 293 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is A Ave over Dd 150-86?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns A Ave over Dd 150-86?

It is owned by the County Highway Agency.