US Bridges

Prairie ST over Elkhart River

Fair

Elkhart County, Indiana · 00.10 N of Waterfall DR · Structure no. 2000154

Built
1966
59 years old, rebuilt 2013
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
266 ft
3 main spans
Daily traffic
14,733
2019 count
Owner
County
County Highway Agency

About this bridge

Prairie ST over Elkhart River is a prestressed concrete continuous stringer/multi-beam or girder carrying Prairie ST over Elkhart River in Elkhart County, Indiana. It was built in 1966 and reconstructed in 2013, 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 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 14,733 vehicles a day, roughly 6% of them trucks, projected to reach 25,376 by 2039. The structure is 266 ft (81.2 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPrairie ST
CrossesElkhart River
Location00.10 N of Waterfall DR
RouteCity Street 0
StateIndiana
Coordinates41.68659, -85.96402
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length266 ft (81.2 m)
Longest span87 ft (26.6 m)
Deck width63 ft (19.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,733 (2019)
Projected traffic25,376 by 2039
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Prairie ST over Elkhart River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2013.

What condition is Prairie ST over Elkhart 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 September 2024.

How much traffic does Prairie ST over Elkhart River carry?

About 14,733 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Prairie ST over Elkhart River?

The structure is 266 ft (81.2 m) long with a longest span of 87 ft (26.6 m) and a deck 63 ft wide.

Who owns Prairie ST over Elkhart River?

It is owned by the County Highway Agency.