US Bridges

FM over Over Imrl RR

Good

Floyd County, Iowa · 095160216 · Structure no. 000000000024951

Built
2008
17 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
3 main spans
Daily traffic
3,339
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Over Imrl RR is a prestressed concrete stringer/multi-beam or girder carrying FM over Over Imrl RR in Floyd County, Iowa. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,339 vehicles a day, roughly 10% of them trucks, projected to reach 3,339 by 2044. The structure is 274 ft (83.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesOver Imrl RR
Location095160216
RouteCounty Highway 0
StateIowa
Coordinates43.07822, -92.70029
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.1 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,339 (2022)
Projected traffic3,339 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Over Imrl RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM over Over Imrl 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 2024.

How much traffic does FM over Over Imrl RR carry?

About 3,339 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM over Over Imrl RR?

The structure is 274 ft (83.5 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns FM over Over Imrl RR?

It is owned by the County Highway Agency.