US Bridges

Fm/Canton Ave over Soldier River

Good

Harrison County, Iowa · 080451402 · Structure no. 000000000179131

Built
1974
51 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
3 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Fm/Canton Ave over Soldier River is a steel continuous stringer/multi-beam or girder carrying Fm/Canton Ave over Soldier River in Harrison County, Iowa. It was built in 1974, so it is 51 years old, older 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 29 vehicles a day, projected to reach 29 by 2043. The structure is 255 ft (77.7 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFm/Canton Ave
CrossesSoldier River
Location080451402
RouteCounty Highway 0
CountyHarrison County
StateIowa
Coordinates41.74343, -96.0578
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.7 US tons
Inventory rating33.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span98 ft (29.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fm/Canton Ave over Soldier River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Fm/Canton 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 December 2023.

How much traffic does Fm/Canton Ave over Soldier River carry?

About 29 vehicles per day (2022 count).

How long is Fm/Canton Ave over Soldier River?

The structure is 255 ft (77.7 m) long with a longest span of 98 ft (29.9 m) and a deck 32 ft wide.

Who owns Fm/Canton Ave over Soldier River?

It is owned by the County Highway Agency.