US Bridges

Tomer RD over S Br of River Raisin

Fair

Lenawee County, Michigan · 0.1 MI E of Whig HWY · Structure no. 000000000005658

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
93
2012 count
Owner
County
County Highway Agency

About this bridge

Tomer RD over S Br of River Raisin is a prestressed concrete box beam or girders - multiple carrying Tomer RD over S Br of River Raisin in Lenawee County, Michigan. It was built in 1988, so it is 37 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 93 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2031. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTomer RD
CrossesS Br of River Raisin
Location0.1 MI E of Whig HWY
RouteCounty Highway 0
Coordinates41.84416, -84.11926
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.4 US tons
Inventory rating39.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2012)
Projected traffic500 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Tomer RD over S Br of River Raisin built?

It was built in 1988, making it 37 years old in 2025.

What condition is Tomer RD over S Br of River Raisin 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 June 2023.

How much traffic does Tomer RD over S Br of River Raisin carry?

About 93 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Tomer RD over S Br of River Raisin?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 31 ft wide.

Who owns Tomer RD over S Br of River Raisin?

It is owned by the County Highway Agency.