US Bridges

Dodge RD over I-75

Fair

Genesee County, Michigan · 2.1 MI S of M-57 · Structure no. 000000000002510

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
4 main spans
Daily traffic
2,145
1996 count
Owner
State
State Highway Agency

About this bridge

Dodge RD over I-75 is a steel stringer/multi-beam or girder carrying Dodge RD over I-75 in Genesee County, Michigan. It was built in 1958, so it is 67 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 2,145 vehicles a day, roughly 3% of them trucks, projected to reach 3,900 by 2016. The structure is 248 ft (75.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDodge RD
CrossesI-75
Location2.1 MI S of M-57
RouteCounty Highway 2584
Coordinates43.14831, -83.76335
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.
Last inspectionJune 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length248 ft (75.6 m)
Longest span70 ft (21.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,145 (1996)
Projected traffic3,900 by 2016
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dodge RD over I-75 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Dodge RD over I-75 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 June 2024.

How much traffic does Dodge RD over I-75 carry?

About 2,145 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Dodge RD over I-75?

The structure is 248 ft (75.6 m) long with a longest span of 70 ft (21.2 m) and a deck 33 ft wide.

Who owns Dodge RD over I-75?

It is owned by the State Highway Agency.