US Bridges

Cantons Boston over Middle Fork Blue River

Good

Washington County, Indiana · 00.10 N SR 160 · Structure no. 8800162

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
244
2012 count
Owner
County
County Highway Agency

About this bridge

Cantons Boston over Middle Fork Blue River is a steel stringer/multi-beam or girder carrying Cantons Boston over Middle Fork Blue River in Washington County, Indiana. It was built in 2014, so it is 11 years old, younger than the Indiana average of 46.6 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 244 vehicles a day, roughly 7% of them trucks, projected to reach 270 by 2032. The structure is 77 ft (23.6 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCantons Boston
CrossesMiddle Fork Blue River
Location00.10 N SR 160
RouteCounty Highway 0
StateIndiana
Coordinates38.58424, -85.97907
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span73 ft (22.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2012)
Projected traffic270 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cantons Boston over Middle Fork Blue River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Cantons Boston over Middle Fork Blue 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 June 2024.

How much traffic does Cantons Boston over Middle Fork Blue River carry?

About 244 vehicles per day (2012 count), of which roughly 7% are trucks.

How long is Cantons Boston over Middle Fork Blue River?

The structure is 77 ft (23.6 m) long with a longest span of 73 ft (22.4 m) and a deck 26 ft wide.

Who owns Cantons Boston over Middle Fork Blue River?

It is owned by the County Highway Agency.