US Bridges

3rd ST over Over Abandon RR

PoorPosted for load

Adair County, Iowa · 075321700 · Structure no. 000000000004870

Built
1900
125 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
110 ft
7 main spans
Daily traffic
387
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd ST over Over Abandon RR is a wood or timber stringer/multi-beam or girder carrying 3rd ST over Over Abandon RR in Adair County, Iowa. It was built in 1900, so it is 125 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 387 vehicles a day, projected to reach 387 by 2043. The structure is 110 ft (33.5 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries3rd ST
CrossesOver Abandon RR
Location075321700
RouteCity Street 0
StateIowa
Coordinates41.29312, -94.56376
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.4 US tons
Inventory rating23.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2022)
Projected traffic387 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$550,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 3rd ST over Over Abandon RR built?

It was built in 1900, making it 125 years old in 2025.

What condition is 3rd ST over Over Abandon RR 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 March 2023.

How much traffic does 3rd ST over Over Abandon RR carry?

About 387 vehicles per day (2022 count).

How long is 3rd ST over Over Abandon RR?

The structure is 110 ft (33.5 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns 3rd ST over Over Abandon RR?

It is owned by the City or Municipal Highway Agency.