US Bridges

W Jefferson Blvd over ST Marys River

Fair

Allen County, Indiana · 00.10 W Washington · Structure no. 0200319

Built
1935
90 years old, rebuilt 1996
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
204 ft
3 main spans
Daily traffic
25,000
2024 count
Owner
County
County Highway Agency

About this bridge

W Jefferson Blvd over ST Marys River is a concrete arch - deck carrying W Jefferson Blvd over ST Marys River in Allen County, Indiana. It was built in 1935 and reconstructed in 1996, so it is 90 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 25,000 vehicles a day, roughly 5% of them trucks, projected to reach 35,000 by 2044. The structure is 204 ft (62.1 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesW Jefferson Blvd
CrossesST Marys River
Location00.10 W Washington
RouteCity Street 0
StateIndiana
Coordinates41.07188, -85.16247
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length204 ft (62.1 m)
Longest span69 ft (21 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2024)
Projected traffic35,000 by 2044
Trucks5%
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 W Jefferson Blvd over ST Marys River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1996.

What condition is W Jefferson Blvd over ST Marys 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 May 2024.

How much traffic does W Jefferson Blvd over ST Marys River carry?

About 25,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is W Jefferson Blvd over ST Marys River?

The structure is 204 ft (62.1 m) long with a longest span of 69 ft (21 m) and a deck 64 ft wide.

Who owns W Jefferson Blvd over ST Marys River?

It is owned by the County Highway Agency.