US Bridges

SR 8 over ST Joseph River

Fair

DeKalb County, Indiana · 01.50 E SR 1 · Structure no. 002330

Built
1966
59 years old, rebuilt 2002
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
302 ft
5 main spans
Daily traffic
2,197
2019 count
Owner
State
State Highway Agency

About this bridge

SR 8 over ST Joseph River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 8 over ST Joseph River in DeKalb County, Indiana. It was built in 1966 and reconstructed in 2002, so it is 59 years old, older than the Indiana average of 46.6 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 2,197 vehicles a day, roughly 13% of them trucks, projected to reach 3,566 by 2034. The structure is 302 ft (92 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 8
CrossesST Joseph River
Location01.50 E SR 1
RouteState Highway 8
CountyDeKalb County
StateIndiana
Coordinates41.34733, -84.8438
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
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92 m)
Longest span80 ft (24.3 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,197 (2019)
Projected traffic3,566 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 8 over ST Joseph River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.

What condition is SR 8 over ST Joseph River 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 March 2024.

How much traffic does SR 8 over ST Joseph River carry?

About 2,197 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is SR 8 over ST Joseph River?

The structure is 302 ft (92 m) long with a longest span of 80 ft (24.3 m) and a deck 34 ft wide.

Who owns SR 8 over ST Joseph River?

It is owned by the State Highway Agency.