US Bridges

Dewitt RD over I-69

Fair

Clinton County, Michigan · 0.6 MI SE of Dewitt · Structure no. 000000000001869

Built
1980
45 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
2 main spans
Daily traffic
70
1984 count
Owner
State
State Highway Agency

About this bridge

Dewitt RD over I-69 is a steel continuous stringer/multi-beam or girder carrying Dewitt RD over I-69 in Clinton County, Michigan. It was built in 1980, so it is 45 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 6 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 70 vehicles a day, roughly 3% of them trucks, projected to reach 11,000 by 2015. The structure is 262 ft (80 m) long and 94 ft wide.

CarriesDewitt RD
CrossesI-69
Location0.6 MI SE of Dewitt
RouteCounty Highway 0
Coordinates42.8162, -84.57237
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length262 ft (80 m)
Longest span129 ft (39.3 m)
Deck width94 ft (28.8 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1984)
Projected traffic11,000 by 2015
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Dewitt RD over I-69 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Dewitt RD over I-69 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 2024.

How much traffic does Dewitt RD over I-69 carry?

About 70 vehicles per day (1984 count), of which roughly 3% are trucks.

How long is Dewitt RD over I-69?

The structure is 262 ft (80 m) long with a longest span of 129 ft (39.3 m) and a deck 94 ft wide.

Who owns Dewitt RD over I-69?

It is owned by the State Highway Agency.