US Bridges

Willis Road over Paint Creek

PoorPosted for load

Washtenaw County, Michigan · Augusta Twp Sec 3 & 10 · Structure no. 000000000010968

Built
1924
101 years old, rebuilt 1976
Condition
Poor
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
6,209
2003 count
Owner
County
County Highway Agency

About this bridge

Willis Road over Paint Creek is a prestressed concrete box beam or girders - multiple carrying Willis Road over Paint Creek in Washtenaw County, Michigan. It was built in 1924 and reconstructed in 1976, so it is 101 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. Its operating status is: posted for load restriction.

It carries about 6,209 vehicles a day, roughly 12% of them trucks, projected to reach 11,213 by 2023. The structure is 36 ft (10.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWillis Road
CrossesPaint Creek
LocationAugusta Twp Sec 3 & 10
RouteCounty Highway 8120
Coordinates42.15747, -83.58631
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span33 ft (10 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,209 (2003)
Projected traffic11,213 by 2023
Trucks12%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Willis Road over Paint Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1976.

What condition is Willis Road 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 Willis Road over Paint Creek carry?

About 6,209 vehicles per day (2003 count), of which roughly 12% are trucks.

How long is Willis Road over Paint Creek?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns Willis Road over Paint Creek?

It is owned by the County Highway Agency.