US Bridges

Central Road over I-69

Fair

Branch County, Michigan · 7.6 MI N of Indiana State · Structure no. 000000000001081

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
314 ft
5 main spans
Daily traffic
800
1988 count
Owner
State
State Highway Agency

About this bridge

Central Road over I-69 is a steel stringer/multi-beam or girder carrying Central 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 800 vehicles a day, projected to reach 920 by 2008. The structure is 314 ft (95.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCentral Road
CrossesI-69
Location7.6 MI N of Indiana State
RouteCounty Highway 1236
Coordinates41.86925, -84.99059
Functional classRural Major 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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length314 ft (95.7 m)
Longest span84 ft (25.6 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (1988)
Projected traffic920 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Road over I-69 built?

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

What condition is Central 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 Central Road over I-69 carry?

About 800 vehicles per day (1988 count).

How long is Central Road over I-69?

The structure is 314 ft (95.7 m) long with a longest span of 84 ft (25.6 m) and a deck 31 ft wide.

Who owns Central Road over I-69?

It is owned by the State Highway Agency.