US Bridges

Bradford HWY over Spring Brook

GoodPosted for load

Eaton County, Michigan · 2.5 MI S of Eaton Rapids · Structure no. 000000000002400

Built
1976
49 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
91
2004 count
Owner
County
County Highway Agency

About this bridge

Bradford HWY over Spring Brook is a prestressed concrete box beam or girders - multiple carrying Bradford HWY over Spring Brook in Eaton County, Michigan. It was built in 1976, so it is 49 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. Its operating status is: posted for load restriction.

It carries about 91 vehicles a day, projected to reach 180 by 2013. The structure is 51 ft (15.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBradford HWY
CrossesSpring Brook
Location2.5 MI S of Eaton Rapids
RouteCounty Highway 0
Coordinates42.47626, -84.66588
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2004)
Projected traffic180 by 2013
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 Bradford HWY over Spring Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is Bradford HWY over Spring Brook 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 June 2023.

How much traffic does Bradford HWY over Spring Brook carry?

About 91 vehicles per day (2004 count).

How long is Bradford HWY over Spring Brook?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.

Who owns Bradford HWY over Spring Brook?

It is owned by the County Highway Agency.