US Bridges

Dayburg Road over I-69

Fair

Branch County, Michigan · 5.5 MI N of US-12 · Structure no. 000000000001097

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
249 ft
4 main spans
Daily traffic
60
1988 count
Owner
State
State Highway Agency

About this bridge

Dayburg Road over I-69 is a steel stringer/multi-beam or girder carrying Dayburg Road over I-69 in Branch County, Michigan. It was built in 1967, so it is 58 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 60 vehicles a day, projected to reach 69 by 2008. The structure is 249 ft (75.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDayburg Road
CrossesI-69
Location5.5 MI N of US-12
RouteCounty Highway 0
Coordinates42.01472, -84.97284
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
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 inspectionMay 2023
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 rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length249 ft (75.9 m)
Longest span88 ft (26.8 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1988)
Projected traffic69 by 2008
Trucks—
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 Dayburg Road over I-69 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Dayburg Road 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 May 2023.

How much traffic does Dayburg Road over I-69 carry?

About 60 vehicles per day (1988 count).

How long is Dayburg Road over I-69?

The structure is 249 ft (75.9 m) long with a longest span of 88 ft (26.8 m) and a deck 31 ft wide.

Who owns Dayburg Road over I-69?

It is owned by the State Highway Agency.