US Bridges

84th Street over Tyler Creek

Good

Kent County, Michigan · 0.15 MI E of Pratt Lake · Structure no. 000000000005011

Built
1927
98 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
688
2005 count
Owner
County
County Highway Agency

About this bridge

84th Street over Tyler Creek is a concrete slab carrying 84th Street over Tyler Creek in Kent County, Michigan. It was built in 1927, so it is 98 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 688 vehicles a day, projected to reach 1,170 by 2025. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries84th Street
CrossesTyler Creek
Location0.15 MI E of Pratt Lake
RouteCounty Highway 0
Coordinates42.81314, -85.32746
Functional classRural Minor Collector

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 inspectionNovember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic688 (2005)
Projected traffic1,170 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 84th Street over Tyler Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is 84th Street over Tyler 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 November 2023.

How much traffic does 84th Street over Tyler Creek carry?

About 688 vehicles per day (2005 count).

How long is 84th Street over Tyler Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns 84th Street over Tyler Creek?

It is owned by the County Highway Agency.