US Bridges

Tallman Road over Maple River

Fair

Clinton County, Michigan · Between Island Rds · Structure no. 000000000001915

Built
1969
56 years old, rebuilt 2022
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
192 ft
3 main spans
Daily traffic
1,263
2020 count
Owner
County
County Highway Agency

About this bridge

Tallman Road over Maple River is a steel box beam or girders - single or spread carrying Tallman Road over Maple River in Clinton County, Michigan. It was built in 1969 and reconstructed in 2022, so it is 56 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.

It carries about 1,263 vehicles a day, roughly 2% of them trucks, projected to reach 1,960 by 2040. The structure is 192 ft (58.6 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesTallman Road
CrossesMaple River
LocationBetween Island Rds
RouteCounty Highway 1923
CountyClinton County
StateMichigan
Coordinates43.08799, -84.75889
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length192 ft (58.6 m)
Longest span63 ft (19.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,263 (2020)
Projected traffic1,960 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Maple River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2022.

What condition is Tallman Road over Maple 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 September 2024.

How much traffic does Tallman Road over Maple River carry?

About 1,263 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Tallman Road over Maple River?

The structure is 192 ft (58.6 m) long with a longest span of 63 ft (19.3 m) and a deck 32 ft wide.

Who owns Tallman Road over Maple River?

It is owned by the County Highway Agency.