US Bridges

Minnesota Ave over Over UPRR

FairPosted for load

Story County, Iowa · A66600500 · Structure no. 000000000503820

Built
1980
45 years old, rebuilt 1995
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
1 main span
Daily traffic
488
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Minnesota Ave over Over UPRR is a steel stringer/multi-beam or girder carrying Minnesota Ave over Over UPRR in Story County, Iowa. It was built in 1980 and reconstructed in 1995, so it is 45 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 488 vehicles a day, projected to reach 488 by 2043. The structure is 131 ft (39.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMinnesota Ave
CrossesOver UPRR
LocationA66600500
RouteCity Street 0
CountyStory County
StateIowa
Coordinates42.03554, -93.66283
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+6 approach)
Design loadH 15
Structure length131 ft (39.9 m)
Longest span47 ft (14.3 m)
Deck width27 ft (8.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic488 (2022)
Projected traffic488 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Minnesota Ave over Over UPRR built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 1995.

What condition is Minnesota Ave over Over UPRR 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 2024.

How much traffic does Minnesota Ave over Over UPRR carry?

About 488 vehicles per day (2022 count).

How long is Minnesota Ave over Over UPRR?

The structure is 131 ft (39.9 m) long with a longest span of 47 ft (14.3 m) and a deck 27 ft wide.

Who owns Minnesota Ave over Over UPRR?

It is owned by the City or Municipal Highway Agency.