US Bridges

Maple Road over Saline River

Fair

Washtenaw County, Michigan · York Twp Sec 18 · Structure no. 000000000011050

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
2 main spans
Daily traffic
128
2016 count
Owner
County
County Highway Agency

About this bridge

Maple Road over Saline River is a prestressed concrete box beam or girders - multiple carrying Maple Road over Saline River in Washtenaw County, Michigan. It was built in 1984, so it is 41 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 128 vehicles a day, roughly 15% of them trucks, projected to reach 141 by 2036. The structure is 106 ft (32.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMaple Road
CrossesSaline River
LocationYork Twp Sec 18
RouteCounty Highway 0
CountyWashtenaw County
StateMichigan
Coordinates42.13014, -83.77544
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span53 ft (16.2 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2016)
Projected traffic141 by 2036
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Maple Road over Saline River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Maple Road over Saline River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Maple Road over Saline River carry?

About 128 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is Maple Road over Saline River?

The structure is 106 ft (32.3 m) long with a longest span of 53 ft (16.2 m) and a deck 31 ft wide.

Who owns Maple Road over Saline River?

It is owned by the County Highway Agency.