US Bridges

Maple ST over Middle Soldier River

Good

Crawford County, Iowa · 085413602 · Structure no. 000000000009911

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
518
2022 count
Owner
County
County Highway Agency

About this bridge

Maple ST over Middle Soldier River is a concrete continuous slab carrying Maple ST over Middle Soldier River in Crawford 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 518 vehicles a day, roughly 16% of them trucks, projected to reach 518 by 2044. The structure is 133 ft (40.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMaple ST
CrossesMiddle Soldier River
Location085413602
RouteCity Street 0
StateIowa
Coordinates42.12458, -95.57489
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2022)
Projected traffic518 by 2044
Trucks16%
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

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 Maple ST over Middle Soldier River built?

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

What condition is Maple ST over Middle Soldier 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 Maple ST over Middle Soldier River carry?

About 518 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Maple ST over Middle Soldier River?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns Maple ST over Middle Soldier River?

It is owned by the County Highway Agency.