US Bridges

Dorr RD over I-96

Fair

Livingston County, Michigan · 1.6 MI SE of I-96 Bl · Structure no. 000000000005784

Built
1961
64 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
264 ft
4 main spans
Daily traffic
570
1995 count
Owner
State
State Highway Agency

About this bridge

Dorr RD over I-96 is a steel stringer/multi-beam or girder carrying Dorr RD over I-96 in Livingston County, Michigan. It was built in 1961, so it is 64 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 570 vehicles a day, roughly 3% of them trucks, projected to reach 570 by 2015. The structure is 264 ft (80.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDorr RD
CrossesI-96
Location1.6 MI SE of I-96 Bl
RouteCounty Highway 0
CountyLivingston County
StateMichigan
Coordinates42.56354, -83.83395
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2025
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length264 ft (80.4 m)
Longest span91 ft (27.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (1995)
Projected traffic570 by 2015
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Dorr RD over I-96 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Dorr RD over I-96 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 March 2025.

How much traffic does Dorr RD over I-96 carry?

About 570 vehicles per day (1995 count), of which roughly 3% are trucks.

How long is Dorr RD over I-96?

The structure is 264 ft (80.4 m) long with a longest span of 91 ft (27.7 m) and a deck 33 ft wide.

Who owns Dorr RD over I-96?

It is owned by the State Highway Agency.