US Bridges

Milan Center RD over Botteron Drain

Poor

Allen County, Indiana · 00.30 N of Doty Road · Structure no. 0200087

Built
1973
52 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
179
2018 count
Owner
County
County Highway Agency

About this bridge

Milan Center RD over Botteron Drain is a prestressed concrete box beam or girders - multiple carrying Milan Center RD over Botteron Drain in Allen County, Indiana. It was built in 1973, so it is 52 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.

It carries about 179 vehicles a day, roughly 5% of them trucks, projected to reach 267 by 2038. The structure is 27 ft (8.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMilan Center RD
CrossesBotteron Drain
Location00.30 N of Doty Road
RouteCounty Highway 101
StateIndiana
Coordinates41.14879, -84.94606
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating71.1 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2018)
Projected traffic267 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Milan Center RD over Botteron Drain built?

It was built in 1973, making it 52 years old in 2025.

What condition is Milan Center RD over Botteron 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 Milan Center RD over Botteron Drain carry?

About 179 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Milan Center RD over Botteron Drain?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Milan Center RD over Botteron Drain?

It is owned by the County Highway Agency.