US Bridges

Esserman RD50 W over I-90 Eb/Wb

Fair

Porter County, Indiana · 01.65 W SR 49 · Structure no. 046970

Built
1956
69 years old, rebuilt 1997
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
217 ft
4 main spans
Daily traffic
571
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Esserman RD50 W over I-90 Eb/Wb is a steel stringer/multi-beam or girder carrying Esserman RD50 W over I-90 Eb/Wb in Porter County, Indiana. It was built in 1956 and reconstructed in 1997, so it is 69 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 571 vehicles a day, roughly 10% of them trucks, projected to reach 1,100 by 2031. The structure is 217 ft (66.1 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesEsserman RD50 W
CrossesI-90 Eb/Wb
Location01.65 W SR 49
RouteCity Street 0
CountyPorter County
StateIndiana
Coordinates41.57951, -87.07626
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span64 ft (19.6 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic571 (2004)
Projected traffic1,100 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Esserman RD50 W over I-90 Eb/Wb built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1997.

What condition is Esserman RD50 W over I-90 Eb/Wb 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 July 2023.

How much traffic does Esserman RD50 W over I-90 Eb/Wb carry?

About 571 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Esserman RD50 W over I-90 Eb/Wb?

The structure is 217 ft (66.1 m) long with a longest span of 64 ft (19.6 m) and a deck 30 ft wide.

Who owns Esserman RD50 W over I-90 Eb/Wb?

It is owned by the State Toll Authority.