US Bridges

Rosbolt RD over Paint Creek

PoorPosted for load

Washtenaw County, Michigan · Augusta Twp Sec 15 · Structure no. 000000000011058

Built
1928
97 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
69
2014 count
Owner
County
County Highway Agency

About this bridge

Rosbolt RD over Paint Creek is a steel stringer/multi-beam or girder carrying Rosbolt RD over Paint Creek in Washtenaw County, Michigan. It was built in 1928, so it is 97 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 69 vehicles a day, roughly 6% of them trucks, projected to reach 128 by 2034. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRosbolt RD
CrossesPaint Creek
LocationAugusta Twp Sec 15
RouteCounty Highway 0
Coordinates42.13544, -83.58985
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating18.5 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2014)
Projected traffic128 by 2034
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rosbolt RD over Paint Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Rosbolt RD over Paint 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 April 2024.

How much traffic does Rosbolt RD over Paint Creek carry?

About 69 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Rosbolt RD over Paint Creek?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 16 ft wide.

Who owns Rosbolt RD over Paint Creek?

It is owned by the County Highway Agency.