US Bridges

Territorial Road over Laird Creek

Good

Hillsdale County, Michigan · 0.05 MI W of Gilbert RD · Structure no. 000000000003280

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
1,030
2013 count
Owner
County
County Highway Agency

About this bridge

Territorial Road over Laird Creek is a prestressed concrete box beam or girders - multiple carrying Territorial Road over Laird Creek in Hillsdale County, Michigan. It was built in 1983, so it is 42 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 1,030 vehicles a day, projected to reach 1,690 by 2038. The structure is 48 ft (14.6 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTerritorial Road
CrossesLaird Creek
Location0.05 MI W of Gilbert RD
RouteCounty Highway 3002
Coordinates41.70949, -84.49692
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span47 ft (14.2 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,030 (2013)
Projected traffic1,690 by 2038
Trucks0%
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 Territorial Road over Laird Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Territorial Road over Laird Creek 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 2024.

How much traffic does Territorial Road over Laird Creek carry?

About 1,030 vehicles per day (2013 count).

How long is Territorial Road over Laird Creek?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.2 m) and a deck 34 ft wide.

Who owns Territorial Road over Laird Creek?

It is owned by the County Highway Agency.