US Bridges

Sherwood Road over I-69

Fair

Eaton County, Michigan · 1.0 MI W of Olivet · Structure no. 000000000002253

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
654 ft
7 main spans
Daily traffic
140
1993 count
Owner
State
State Highway Agency

About this bridge

Sherwood Road over I-69 is a steel stringer/multi-beam or girder carrying Sherwood Road over I-69 in Eaton 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 fair condition with a lowest component rating of 5 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 140 vehicles a day, roughly 3% of them trucks, projected to reach 110 by 2007. The structure is 654 ft (199.2 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSherwood Road
CrossesI-69
Location1.0 MI W of Olivet
RouteCounty Highway 0
Coordinates42.4505, -84.94688
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length654 ft (199.2 m)
Longest span133 ft (40.4 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (1993)
Projected traffic110 by 2007
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sherwood Road over I-69 built?

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

What condition is Sherwood Road over I-69 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 May 2023.

How much traffic does Sherwood Road over I-69 carry?

About 140 vehicles per day (1993 count), of which roughly 3% are trucks.

How long is Sherwood Road over I-69?

The structure is 654 ft (199.2 m) long with a longest span of 133 ft (40.4 m) and a deck 40 ft wide.

Who owns Sherwood Road over I-69?

It is owned by the State Highway Agency.