US Bridges

W Jefferson Blvd over Natural Drain

Fair

Allen County, Indiana · 00.30 N Engle RD · Structure no. 0200323

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
22 ft
1 main span
Daily traffic
38,000
2014 count
Owner
County
County Highway Agency

About this bridge

W Jefferson Blvd over Natural Drain is a concrete continuous slab carrying W Jefferson Blvd over Natural Drain in Allen County, Indiana. It was built in 1930, so it is 95 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 38,000 vehicles a day, roughly 5% of them trucks, projected to reach 45,000 by 2034. The structure is 22 ft (6.8 m) long and 100 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesW Jefferson Blvd
CrossesNatural Drain
Location00.30 N Engle RD
RouteCity Street 0
StateIndiana
Coordinates41.05132, -85.23174
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating33.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span19 ft (5.9 m)
Deck width100 ft (30.4 m)
Roadway width95 ft (28.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,000 (2014)
Projected traffic45,000 by 2034
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 Natural Drain built?

It was built in 1930, making it 95 years old in 2025.

What condition is W Jefferson Blvd over Natural Drain 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 Natural Drain carry?

About 38,000 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is W Jefferson Blvd over Natural Drain?

The structure is 22 ft (6.8 m) long with a longest span of 19 ft (5.9 m) and a deck 100 ft wide.

Who owns W Jefferson Blvd over Natural Drain?

It is owned by the County Highway Agency.