M15 Jasper Ave over Soldier River

Good

Ida County, Iowa · 086402302 · Structure no. 000000000185711

Built: 2015; 10 years old
Condition: Good; inspected March 2023
Type: Slab; Concrete Continuous
Length: 123 ft; 3 main spans
Daily traffic: 439; 2022 count
Owner: County; County Highway Agency

About this bridge

M15 Jasper Ave over Soldier River is a concrete continuous slab carrying M15 Jasper Ave over Soldier River in Ida County, Iowa. It was built in 2015, so it is 10 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 439 vehicles a day, projected to reach 439 by 2043. The structure is 123 ft (37.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesM15 Jasper Ave

CrossesSoldier River

Location086402302

RouteCounty Highway 0

CountyIda County

StateIowa

Coordinates42.24506, -95.47842

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.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionMarch 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 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 typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length123 ft (37.5 m)

Longest span47 ft (14.3 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2022)

Projected traffic439 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed5 mi (8 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 M15 Jasper Ave over Soldier River built?

It was built in 2015, making it 10 years old in 2025.

What condition is M15 Jasper Ave over 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 March 2023.

How much traffic does M15 Jasper Ave over Soldier River carry?

About 439 vehicles per day (2022 count).

How long is M15 Jasper Ave over Soldier River?

The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns M15 Jasper Ave over Soldier River?

It is owned by the County Highway Agency.