US Bridges

E Main over Shell Rock River

Good

Floyd County, Iowa · 095181400 · Structure no. 000000000010051

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
2 main spans
Daily traffic
2,268
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Main over Shell Rock River is a prestressed concrete stringer/multi-beam or girder carrying E Main over Shell Rock River in Floyd County, Iowa. It was built in 2013, so it is 12 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 2,268 vehicles a day, projected to reach 2,268 by 2044. The structure is 205 ft (62.5 m) long and 52 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesE Main
CrossesShell Rock River
Location095181400
RouteCity Street 0
CountyFloyd County
StateIowa
Coordinates43.05226, -92.94369
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum 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 spans2
Design loadHL 93
Structure length205 ft (62.5 m)
Longest span111 ft (33.8 m)
Deck width52 ft (15.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,268 (2022)
Projected traffic2,268 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Main over Shell Rock River built?

It was built in 2013, making it 12 years old in 2025.

What condition is E Main over Shell Rock River 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 E Main over Shell Rock River carry?

About 2,268 vehicles per day (2022 count).

How long is E Main over Shell Rock River?

The structure is 205 ft (62.5 m) long with a longest span of 111 ft (33.8 m) and a deck 52 ft wide.

Who owns E Main over Shell Rock River?

It is owned by the City or Municipal Highway Agency.