US Bridges

Frost Road over Deer Creek

PoorPosted for load

Ingham County, Michigan · 4.1 MI SW of Williamston · Structure no. 000000000003920

Built
1921
104 years old, rebuilt 1947
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Frost Road over Deer Creek is a steel stringer/multi-beam or girder carrying Frost Road over Deer Creek in Ingham County, Michigan. It was built in 1921 and reconstructed in 1947, so it is 104 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 3 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 130 by 2039. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFrost Road
CrossesDeer Creek
Location4.1 MI SW of Williamston
RouteCounty Highway 0
Coordinates42.62987, -84.29265
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic130 by 2039
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$121,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Frost Road over Deer Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1947.

What condition is Frost Road over Deer 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 June 2024.

How much traffic does Frost Road over Deer Creek carry?

About 100 vehicles per day (2019 count).

How long is Frost Road over Deer Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Frost Road over Deer Creek?

It is owned by the County Highway Agency.