US Bridges

I-69 SB over Indiana NE RR Sauk R RD

Fair

Branch County, Michigan · 0.2 MI S of US-12 · Structure no. 000000000001077

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
3 main spans
Daily traffic
10,583
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over Indiana NE RR Sauk R RD is a steel stringer/multi-beam or girder carrying I-69 SB over Indiana NE RR Sauk R RD 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 10,583 vehicles a day, roughly 35% of them trucks, projected to reach 14,745 by 2018. The structure is 197 ft (60 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-69 SB
CrossesIndiana NE RR Sauk R RD
Location0.2 MI S of US-12
RouteInterstate 69
Coordinates41.93286, -84.97328
Functional classUrban Principal Arterial - Interstate

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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length197 ft (60 m)
Longest span93 ft (28.3 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,583 (2007)
Projected traffic14,745 by 2018
Trucks35%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$202,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 SB over Indiana NE RR Sauk R RD built?

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

What condition is I-69 SB over Indiana NE RR Sauk R RD 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 I-69 SB over Indiana NE RR Sauk R RD carry?

About 10,583 vehicles per day (2007 count), of which roughly 35% are trucks.

How long is I-69 SB over Indiana NE RR Sauk R RD?

The structure is 197 ft (60 m) long with a longest span of 93 ft (28.3 m) and a deck 48 ft wide.

Who owns I-69 SB over Indiana NE RR Sauk R RD?

It is owned by the State Highway Agency.