US Bridges

Dennis Road over Doan Creek

Good

Ingham County, Michigan · 5 MI S of Williamston · Structure no. 000000000003919

Built
1945
80 years old, rebuilt 2022
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
40 ft
1 main span
Daily traffic
230
2019 count
Owner
County
County Highway Agency

About this bridge

Dennis Road over Doan Creek is a steel box beam or girders - single or spread carrying Dennis Road over Doan Creek in Ingham County, Michigan. It was built in 1945 and reconstructed in 2022, so it is 80 years old, older 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 230 vehicles a day, projected to reach 290 by 2039. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDennis Road
CrossesDoan Creek
Location5 MI S of Williamston
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.61546, -84.26979
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating99.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2019)
Projected traffic290 by 2039
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$189,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dennis Road over Doan Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2022.

What condition is Dennis Road over Doan 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 August 2024.

How much traffic does Dennis Road over Doan Creek carry?

About 230 vehicles per day (2019 count).

How long is Dennis Road over Doan Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Dennis Road over Doan Creek?

It is owned by the County Highway Agency.