US Bridges

Shipman RD over Rushbed Creek

PoorPosted for load

Shiawassee County, Michigan · 1.3 MI S of Juddville · Structure no. 000000000009868

Built
1930
95 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
144
1998 count
Owner
County
County Highway Agency

About this bridge

Shipman RD over Rushbed Creek is a steel stringer/multi-beam or girder carrying Shipman RD over Rushbed Creek in Shiawassee County, Michigan. It was built in 1930, so it is 95 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 2 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 144 vehicles a day, roughly 10% of them trucks, projected to reach 260 by 2018. The structure is 33 ft (10 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShipman RD
CrossesRushbed Creek
Location1.3 MI S of Juddville
RouteCounty Highway 0
Coordinates43.04024, -83.98326
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.8 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length33 ft (10 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (1998)
Projected traffic260 by 2018
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shipman RD over Rushbed Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Shipman RD over Rushbed 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 March 2024.

How much traffic does Shipman RD over Rushbed Creek carry?

About 144 vehicles per day (1998 count), of which roughly 10% are trucks.

How long is Shipman RD over Rushbed Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Shipman RD over Rushbed Creek?

It is owned by the County Highway Agency.