US Bridges

Tallman Road over Looking Glass River

Fair

Clinton County, Michigan · 0.1 MI S of Herbison · Structure no. 000000000001978

Built
1996
29 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
359
2011 count
Owner
County
County Highway Agency

About this bridge

Tallman Road over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Tallman Road over Looking Glass River in Clinton County, Michigan. It was built in 1996, so it is 29 years old, younger 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.

It carries about 359 vehicles a day, roughly 1% of them trucks, projected to reach 648 by 2031. The structure is 130 ft (39.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTallman Road
CrossesLooking Glass River
Location0.1 MI S of Herbison
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.82793, -84.75927
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32.8 US tons
Inventory rating17.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span126 ft (38.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2011)
Projected traffic648 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Tallman Road over Looking Glass River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Tallman Road over Looking Glass River 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 October 2023.

How much traffic does Tallman Road over Looking Glass River carry?

About 359 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Tallman Road over Looking Glass River?

The structure is 130 ft (39.6 m) long with a longest span of 126 ft (38.4 m) and a deck 33 ft wide.

Who owns Tallman Road over Looking Glass River?

It is owned by the County Highway Agency.