US Bridges

Houlihan Road over Birch Run Drain

Good

Saginaw County, Michigan · Sec 15 T11N R4E · Structure no. 000031520-00129

Built
1999
26 years old
Condition
Good
inspected July 2021
Type
Slab
Wood or Timber
Length
112 ft
3 main spans
Daily traffic
10
2021 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Houlihan Road over Birch Run Drain is a wood or timber slab carrying Houlihan Road over Birch Run Drain in Saginaw County, Michigan. It was built in 1999, so it is 26 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 10 vehicles a day, projected to reach 35 by 2041. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHoulihan Road
CrossesBirch Run Drain
LocationSec 15 T11N R4E
RouteFederal Lands Road 0
Coordinates43.35067, -83.98917
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span45 ft (13.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic35 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Houlihan Road over Birch Run Drain built?

It was built in 1999, making it 26 years old in 2025.

What condition is Houlihan Road over Birch Run 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 July 2021.

How much traffic does Houlihan Road over Birch Run Drain carry?

About 10 vehicles per day (2021 count).

How long is Houlihan Road over Birch Run Drain?

The structure is 112 ft (34.1 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns Houlihan Road over Birch Run Drain?

It is owned by the Bureau of Fish and Wildlife.