US Bridges

Flynn Road over Houghton Creek

Good

Ogemaw County, Michigan · 0.9 MI S of Rose City RD · Structure no. 000000000013903

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
154
2015 count
Owner
County
County Highway Agency

About this bridge

Flynn Road over Houghton Creek is a wood or timber slab carrying Flynn Road over Houghton Creek in Ogemaw County, Michigan. It was built in 2015, so it is 10 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 154 vehicles a day, roughly 2% of them trucks, projected to reach 278 by 2035. The structure is 62 ft (18.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFlynn Road
CrossesHoughton Creek
Location0.9 MI S of Rose City RD
RouteCounty Highway 0
Coordinates44.40825, -84.09619
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadGreater than HL 93
Structure length62 ft (18.9 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2015)
Projected traffic278 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Flynn Road over Houghton Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Flynn Road over Houghton 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 2023.

How much traffic does Flynn Road over Houghton Creek carry?

About 154 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Flynn Road over Houghton Creek?

The structure is 62 ft (18.9 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns Flynn Road over Houghton Creek?

It is owned by the County Highway Agency.