US Bridges

Dexter RD over M-14

Fair

Washtenaw County, Michigan · 0.6 MI NE of I-94 · Structure no. 000000000010953

Built
1966
59 years old, rebuilt 2000
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
5,700
1997 count
Owner
State
State Highway Agency

About this bridge

Dexter RD over M-14 is a steel continuous stringer/multi-beam or girder carrying Dexter RD over M-14 in Washtenaw County, Michigan. It was built in 1966 and reconstructed in 2000, so it is 59 years old, older 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 5,700 vehicles a day, roughly 3% of them trucks, projected to reach 6,555 by 2017. The structure is 256 ft (78 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDexter RD
CrossesM-14
Location0.6 MI NE of I-94
RouteCounty Highway 2006
CountyWashtenaw County
StateMichigan
Coordinates42.29084, -83.7972
Functional classUrban Minor Arterial

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length256 ft (78 m)
Longest span85 ft (25.9 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (1997)
Projected traffic6,555 by 2017
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dexter RD over M-14 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2000.

What condition is Dexter RD over M-14 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 September 2024.

How much traffic does Dexter RD over M-14 carry?

About 5,700 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Dexter RD over M-14?

The structure is 256 ft (78 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.

Who owns Dexter RD over M-14?

It is owned by the State Highway Agency.