US Bridges

No 12 Road over Manton Creek

Good

Wexford County, Michigan · Section 29/32 T24N R9W · Structure no. 000000000012584

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
120
2005 count
Owner
County
County Highway Agency

About this bridge

No 12 Road over Manton Creek is a wood or timber slab carrying No 12 Road over Manton Creek in Wexford County, Michigan. It was built in 2002, so it is 23 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 120 vehicles a day, projected to reach 210 by 2025. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNo 12 Road
CrossesManton Creek
LocationSection 29/32 T24N R9W
RouteCounty Highway 0
Coordinates44.43974, -85.42572
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2005)
Projected traffic210 by 2025
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No 12 Road over Manton Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is No 12 Road over Manton 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 July 2024.

How much traffic does No 12 Road over Manton Creek carry?

About 120 vehicles per day (2005 count).

How long is No 12 Road over Manton Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns No 12 Road over Manton Creek?

It is owned by the County Highway Agency.