US Bridges

Linn Road over Deer Creek

Good

Ingham County, Michigan · 1.5 MI SW of Williamston · Structure no. 000000000003887

Built
1968
57 years old, rebuilt 2022
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
54 ft
1 main span
Daily traffic
2,489
2019 count
Owner
County
County Highway Agency

About this bridge

Linn Road over Deer Creek is a steel box beam or girders - single or spread carrying Linn Road over Deer Creek in Ingham County, Michigan. It was built in 1968 and reconstructed in 2022, so it is 57 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 2,489 vehicles a day, projected to reach 3,038 by 2040. The structure is 54 ft (16.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLinn Road
CrossesDeer Creek
Location1.5 MI SW of Williamston
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.67321, -84.29182
Functional classRural Major Collector

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length54 ft (16.5 m)
Longest span52 ft (15.7 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,489 (2019)
Projected traffic3,038 by 2040
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$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Linn Road over Deer Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2022.

What condition is Linn Road over Deer 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 Linn Road over Deer Creek carry?

About 2,489 vehicles per day (2019 count).

How long is Linn Road over Deer Creek?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.7 m) and a deck 36 ft wide.

Who owns Linn Road over Deer Creek?

It is owned by the County Highway Agency.