US Bridges

Gilford Road over Br 1 Northwest Drain

Poor

Tuscola County, Michigan · Sec 29-32 Fairgrove Twp · Structure no. 000000000010463

Built
1972
53 years old
Condition
Poor
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
1,700
2009 count
Owner
County
County Highway Agency

About this bridge

Gilford Road over Br 1 Northwest Drain is a prestressed concrete box beam or girders - multiple carrying Gilford Road over Br 1 Northwest Drain in Tuscola County, Michigan. It was built in 1972, so it is 53 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,700 vehicles a day, projected to reach 3,070 by 2029. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGilford Road
CrossesBr 1 Northwest Drain
LocationSec 29-32 Fairgrove Twp
RouteCounty Highway 0
Coordinates43.49454, -83.5583
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (6.9 m)
Deck width36 ft (11.1 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2009)
Projected traffic3,070 by 2029
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gilford Road over Br 1 Northwest Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is Gilford Road over Br 1 Northwest Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Gilford Road over Br 1 Northwest Drain carry?

About 1,700 vehicles per day (2009 count).

How long is Gilford Road over Br 1 Northwest Drain?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (6.9 m) and a deck 36 ft wide.

Who owns Gilford Road over Br 1 Northwest Drain?

It is owned by the County Highway Agency.