US Bridges

Townsend Road over Big Creek a Drain

Good

Arenac County, Michigan · 0.7 MI W of Lehman · Structure no. 000000000000465

Built
1996
29 years old, rebuilt 2017
Condition
Good
inspected August 2023
Type
Slab
Wood or Timber
Length
34 ft
1 main span
Daily traffic
102
2017 count
Owner
County
County Highway Agency

About this bridge

Townsend Road over Big Creek a Drain is a wood or timber slab carrying Townsend Road over Big Creek a Drain in Arenac County, Michigan. It was built in 1996 and reconstructed in 2017, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 102 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2037. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTownsend Road
CrossesBig Creek a Drain
Location0.7 MI W of Lehman
RouteCounty Highway 0
Coordinates44.09872, -83.83824
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2017)
Projected traffic150 by 2037
Trucks5%
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 Townsend Road over Big Creek a Drain built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2017.

What condition is Townsend Road over Big Creek a Drain 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 August 2023.

How much traffic does Townsend Road over Big Creek a Drain carry?

About 102 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Townsend Road over Big Creek a Drain?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Townsend Road over Big Creek a Drain?

It is owned by the County Highway Agency.