US Bridges

Sumpter Ave over Middle Raccoon River

Good

Carroll County, Iowa · 082333400 · Structure no. 000000000002541

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
3 main spans
Daily traffic
547
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sumpter Ave over Middle Raccoon River is a prestressed concrete stringer/multi-beam or girder carrying Sumpter Ave over Middle Raccoon River in Carroll County, Iowa. It was built in 2002, so it is 23 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 547 vehicles a day, roughly 6% of them trucks, projected to reach 547 by 2043. The structure is 228 ft (69.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSumpter Ave
CrossesMiddle Raccoon River
Location082333400
RouteCity Street 0
StateIowa
Coordinates41.8753, -94.67034
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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.1 US tons
Inventory rating40.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span97 ft (29.6 m)
Deck width44 ft (13.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic547 (2021)
Projected traffic547 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sumpter Ave over Middle Raccoon River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sumpter Ave over Middle Raccoon 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 2023.

How much traffic does Sumpter Ave over Middle Raccoon River carry?

About 547 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Sumpter Ave over Middle Raccoon River?

The structure is 228 ft (69.5 m) long with a longest span of 97 ft (29.6 m) and a deck 44 ft wide.

Who owns Sumpter Ave over Middle Raccoon River?

It is owned by the City or Municipal Highway Agency.