US Bridges

Chapin Road over Beaver Creek

Good

Saginaw County, Michigan · 0.5 MI N of Nelson Road · Structure no. 000000000009356

Built
1992
33 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
179
2023 count
Owner
County
County Highway Agency

About this bridge

Chapin Road over Beaver Creek is a prestressed concrete box beam or girders - multiple carrying Chapin Road over Beaver Creek in Saginaw County, Michigan. It was built in 1992, so it is 33 years old, younger 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 179 vehicles a day, roughly 5% of them trucks, projected to reach 216 by 2033. The structure is 110 ft (33.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChapin Road
CrossesBeaver Creek
Location0.5 MI N of Nelson Road
RouteCounty Highway 0
Coordinates43.34099, -84.31039
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span54 ft (16.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2023)
Projected traffic216 by 2033
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chapin Road over Beaver Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Chapin Road over Beaver 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 Chapin Road over Beaver Creek carry?

About 179 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Chapin Road over Beaver Creek?

The structure is 110 ft (33.5 m) long with a longest span of 54 ft (16.4 m) and a deck 34 ft wide.

Who owns Chapin Road over Beaver Creek?

It is owned by the County Highway Agency.