US Bridges

Sisson RD over S Br Little River Raisin

Good

Lenawee County, Michigan · 0.3 MI N of Forche RD · Structure no. 000000000013760

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
75
2010 count
Owner
County
County Highway Agency

About this bridge

Sisson RD over S Br Little River Raisin is a concrete culvert carrying Sisson RD over S Br Little River Raisin in Lenawee County, Michigan. It was built in 2013, so it is 12 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 1% of them trucks, projected to reach 85 by 2020. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSisson RD
CrossesS Br Little River Raisin
Location0.3 MI N of Forche RD
RouteCounty Highway 0
CountyLenawee County
StateMichigan
Coordinates41.89669, -83.83754
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2010)
Projected traffic85 by 2020
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 Sisson RD over S Br Little River Raisin built?

It was built in 2013, making it 12 years old in 2025.

What condition is Sisson RD over S Br Little River Raisin 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 November 2023.

How much traffic does Sisson RD over S Br Little River Raisin carry?

About 75 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Sisson RD over S Br Little River Raisin?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Sisson RD over S Br Little River Raisin?

It is owned by the County Highway Agency.