US Bridges

E 41 over Des Moines River

Good

Boone County, Iowa · 084273607 · Structure no. 000000000015421

Built
2000
25 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
689 ft
5 main spans
Daily traffic
1,526
2022 count
Owner
County
County Highway Agency

About this bridge

E 41 over Des Moines River is a prestressed concrete stringer/multi-beam or girder carrying E 41 over Des Moines River in Boone County, Iowa. It was built in 2000, so it is 25 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 1,526 vehicles a day, roughly 5% of them trucks, projected to reach 1,526 by 2044. The structure is 689 ft (210 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesE 41
CrossesDes Moines River
Location084273607
RouteCounty Highway 0
StateIowa
Coordinates42.04221, -93.93425
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length689 ft (210 m)
Longest span141 ft (43 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,526 (2022)
Projected traffic1,526 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E 41 over Des Moines River built?

It was built in 2000, making it 25 years old in 2025.

What condition is E 41 over Des Moines 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 May 2024.

How much traffic does E 41 over Des Moines River carry?

About 1,526 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is E 41 over Des Moines River?

The structure is 689 ft (210 m) long with a longest span of 141 ft (43 m) and a deck 33 ft wide.

Who owns E 41 over Des Moines River?

It is owned by the County Highway Agency.