US Bridges

Burt Road over Silver Creek

Poor

Hillsdale County, Michigan · 0.05 MI W of Crampton · Structure no. 000000000003351

Built
1918
107 years old
Condition
Poor
inspected November 2024
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
32
2014 count
Owner
County
County Highway Agency

About this bridge

Burt Road over Silver Creek is a concrete arch - deck carrying Burt Road over Silver Creek in Hillsdale County, Michigan. It was built in 1918, so it is 107 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 32 vehicles a day, projected to reach 52 by 2038. The structure is 36 ft (10.9 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBurt Road
CrossesSilver Creek
Location0.05 MI W of Crampton
RouteCounty Highway 0
CountyHillsdale County
StateMichigan
Coordinates41.76969, -84.57331
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span31 ft (9.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2014)
Projected traffic52 by 2038
Trucks0%
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Burt Road over Silver Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is Burt Road over Silver Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Burt Road over Silver Creek carry?

About 32 vehicles per day (2014 count).

How long is Burt Road over Silver Creek?

The structure is 36 ft (10.9 m) long with a longest span of 31 ft (9.4 m) and a deck 22 ft wide.

Who owns Burt Road over Silver Creek?

It is owned by the County Highway Agency.