US Bridges

28th Street over Baseline Creek

Fair

Allegan County, Michigan · Approx 0.1 MI S of 101STA · Structure no. 000000000000198

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
203
2003 count
Owner
County
County Highway Agency

About this bridge

28th Street over Baseline Creek is a wood or timber slab carrying 28th Street over Baseline Creek in Allegan County, Michigan. It was built in 1979, so it is 46 years old, younger 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 203 vehicles a day, roughly 7% of them trucks, projected to reach 406 by 2023. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries28th Street
CrossesBaseline Creek
LocationApprox 0.1 MI S of 101STA
RouteCounty Highway 361
Coordinates42.42414, -85.81712
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2003)
Projected traffic406 by 2023
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 28th Street over Baseline Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 28th Street over Baseline Creek 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 September 2023.

How much traffic does 28th Street over Baseline Creek carry?

About 203 vehicles per day (2003 count), of which roughly 7% are trucks.

How long is 28th Street over Baseline Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns 28th Street over Baseline Creek?

It is owned by the County Highway Agency.