US Bridges

Adler RD over Branch of Pond Flat Dit

Poor

Vanderburgh County, Indiana · 00.10 W of Old Princ. RD · Structure no. 8200043

Built
1945
80 years old, rebuilt 1979
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
111
2020 count
Owner
County
County Highway Agency

About this bridge

Adler RD over Branch of Pond Flat Dit is a steel stringer/multi-beam or girder carrying Adler RD over Branch of Pond Flat Dit in Vanderburgh County, Indiana. It was built in 1945 and reconstructed in 1979, so it is 80 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 111 vehicles a day, roughly 1% of them trucks, projected to reach 148 by 2040. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesAdler RD
CrossesBranch of Pond Flat Dit
Location00.10 W of Old Princ. RD
RouteCounty Highway 0
StateIndiana
Coordinates38.15956, -87.57361
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2020)
Projected traffic148 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$687,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Adler RD over Branch of Pond Flat Dit built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1979.

What condition is Adler RD over Branch of Pond Flat Dit 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 October 2024.

How much traffic does Adler RD over Branch of Pond Flat Dit carry?

About 111 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Adler RD over Branch of Pond Flat Dit?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Adler RD over Branch of Pond Flat Dit?

It is owned by the County Highway Agency.