US Bridges

Don Road over Gibson Drain

Fair

Tuscola County, Michigan · Sec 6 Gilford Twp · Structure no. 000000000010599

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
76
2009 count
Owner
County
County Highway Agency

About this bridge

Don Road over Gibson Drain is a steel stringer/multi-beam or girder carrying Don Road over Gibson Drain in Tuscola County, Michigan. It was built in 1965, so it is 60 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 76 vehicles a day, projected to reach 140 by 2029. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesDon Road
CrossesGibson Drain
LocationSec 6 Gilford Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.55832, -83.69904
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2009)
Projected traffic140 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$265,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Don Road over Gibson Drain built?

It was built in 1965, making it 60 years old in 2025.

What condition is Don Road over Gibson Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Don Road over Gibson Drain carry?

About 76 vehicles per day (2009 count).

How long is Don Road over Gibson Drain?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 27 ft wide.

Who owns Don Road over Gibson Drain?

It is owned by the County Highway Agency.