US Bridges

Canton ST over Bear Creek

Good

Benton County, Iowa · R9W T89N Sect 14 0E 12S · Structure no. 000000000010301

Built
2010
15 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
2,438
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canton ST over Bear Creek is a concrete continuous slab carrying Canton ST over Bear Creek in Benton County, Iowa. It was built in 2010, so it is 15 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 2,438 vehicles a day, projected to reach 2,438 by 2044. The structure is 122 ft (37.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanton ST
CrossesBear Creek
LocationR9W T89N Sect 14 0E 12S
RouteCity Street 0
StateIowa
Coordinates42.093, -91.87345
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length122 ft (37.2 m)
Longest span49 ft (14.9 m)
Deck width42 ft (12.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,438 (2022)
Projected traffic2,438 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Canton ST over Bear Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Canton ST over Bear Creek 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 November 2024.

How much traffic does Canton ST over Bear Creek carry?

About 2,438 vehicles per day (2022 count).

How long is Canton ST over Bear Creek?

The structure is 122 ft (37.2 m) long with a longest span of 49 ft (14.9 m) and a deck 42 ft wide.

Who owns Canton ST over Bear Creek?

It is owned by the City or Municipal Highway Agency.