US Bridges

Tillman RD over Schmidt Drain

FairPosted for load

Allen County, Indiana · 00.20 W Minnich Road · Structure no. 0200297

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,483
2018 count
Owner
County
County Highway Agency

About this bridge

Tillman RD over Schmidt Drain is a prestressed concrete box beam or girders - multiple carrying Tillman RD over Schmidt Drain in Allen County, Indiana. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 1,483 vehicles a day, roughly 5% of them trucks, projected to reach 2,216 by 2038. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTillman RD
CrossesSchmidt Drain
Location00.20 W Minnich Road
RouteCounty Highway 0
StateIndiana
Coordinates41.01977, -85.00319
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.6 US tons
Inventory rating15.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,483 (2018)
Projected traffic2,216 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$450,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tillman RD over Schmidt Drain built?

It was built in 1975, making it 50 years old in 2025.

What condition is Tillman RD over Schmidt 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 Tillman RD over Schmidt Drain carry?

About 1,483 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Tillman RD over Schmidt Drain?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 44 ft wide.

Who owns Tillman RD over Schmidt Drain?

It is owned by the County Highway Agency.