US Bridges

Coleman Road over Saltriver

FairPosted for load

Midland County, Michigan · .15 M S of Salt River Roa · Structure no. 000000000006942

Built
1957
68 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
1,104
1999 count
Owner
County
County Highway Agency

About this bridge

Coleman Road over Saltriver is a steel stringer/multi-beam or girder carrying Coleman Road over Saltriver in Midland County, Michigan. It was built in 1957, so it is 68 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,104 vehicles a day, roughly 7% of them trucks, projected to reach 1,640 by 2019. The structure is 66 ft (20.1 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesColeman Road
CrossesSaltriver
Location.15 M S of Salt River Roa
RouteCounty Highway 5605
CountyMidland County
StateMichigan
Coordinates43.57321, -84.5882
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,104 (1999)
Projected traffic1,640 by 2019
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Coleman Road over Saltriver built?

It was built in 1957, making it 68 years old in 2025.

What condition is Coleman Road over Saltriver in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Coleman Road over Saltriver carry?

About 1,104 vehicles per day (1999 count), of which roughly 7% are trucks.

How long is Coleman Road over Saltriver?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns Coleman Road over Saltriver?

It is owned by the County Highway Agency.