US Bridges

Summit ST over A. Martin Drain

Poor

Allen County, Indiana · 00.20 E of Green ST · Structure no. 0200279

Built
1970
55 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
1,683
2018 count
Owner
County
County Highway Agency

About this bridge

Summit ST over A. Martin Drain is a prestressed concrete box beam or girders - multiple carrying Summit ST over A. Martin Drain in Allen County, Indiana. It was built in 1970, so it is 55 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 1,683 vehicles a day, roughly 5% of them trucks, projected to reach 2,798 by 2038. The structure is 39 ft (11.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSummit ST
CrossesA. Martin Drain
Location00.20 E of Green ST
RouteCity Street 0
StateIndiana
Coordinates41.07378, -85.00839
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span36 ft (11.1 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,683 (2018)
Projected traffic2,798 by 2038
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Summit ST over A. Martin Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is Summit ST over A. Martin 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 Summit ST over A. Martin Drain carry?

About 1,683 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Summit ST over A. Martin Drain?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11.1 m) and a deck 40 ft wide.

Who owns Summit ST over A. Martin Drain?

It is owned by the County Highway Agency.