US Bridges

Tamarack DR over Shoppman Drain

PoorPosted for load

Allen County, Indiana · 00.10 W of Reed RD · Structure no. 0200060

Built
1971
54 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
462
2024 count
Owner
County
County Highway Agency

About this bridge

Tamarack DR over Shoppman Drain is a prestressed concrete box beam or girders - multiple carrying Tamarack DR over Shoppman Drain in Allen County, Indiana. It was built in 1971, so it is 54 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 462 vehicles a day, roughly 5% of them trucks, projected to reach 767 by 2044. The structure is 30 ft (9.2 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTamarack DR
CrossesShoppman Drain
Location00.10 W of Reed RD
RouteCity Street 0
StateIndiana
Coordinates41.12493, -85.08325
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width44 ft (13.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2024)
Projected traffic767 by 2044
Trucks5%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$600,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tamarack DR over Shoppman Drain built?

It was built in 1971, making it 54 years old in 2025.

What condition is Tamarack DR over Shoppman Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Tamarack DR over Shoppman Drain carry?

About 462 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Tamarack DR over Shoppman Drain?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 44 ft wide.

Who owns Tamarack DR over Shoppman Drain?

It is owned by the County Highway Agency.