US Bridges

Marion Ave over BNSF RR

Good

Mills County, Iowa · 000000000 · Structure no. 000000000007531

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
267
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marion Ave over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Marion Ave over BNSF RR in Mills County, Iowa. It was built in 2019, so it is 6 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 267 vehicles a day, projected to reach 267 by 2043. The structure is 197 ft (60 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMarion Ave
CrossesBNSF RR
Location000000000
RouteCity Street 0
CountyMills County
StateIowa
Coordinates41.00942, -95.58234
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length197 ft (60 m)
Longest span82 ft (25 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic267 (2022)
Projected traffic267 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 byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion Ave over BNSF RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Marion Ave over BNSF RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Marion Ave over BNSF RR carry?

About 267 vehicles per day (2022 count).

How long is Marion Ave over BNSF RR?

The structure is 197 ft (60 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns Marion Ave over BNSF RR?

It is owned by the City or Municipal Highway Agency and maintained by the Town or Township Highway Agency.