US Bridges

Riddle Road over I-64 Eb/Wb

Good

Crawford County, Indiana · 02.45 E SR 37 · Structure no. 034090

Built
1973
52 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
2 main spans
Daily traffic
1,830
2013 count
Owner
State
State Highway Agency

About this bridge

Riddle Road over I-64 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying Riddle Road over I-64 Eb/Wb in Crawford 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,830 vehicles a day, roughly 10% of them trucks, projected to reach 633 by 2034. The structure is 218 ft (66.4 m) long and 35 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRiddle Road
CrossesI-64 Eb/Wb
Location02.45 E SR 37
RouteCounty Highway 0
StateIndiana
Coordinates38.24512, -86.42936
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating50.4 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span107 ft (32.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,830 (2013)
Projected traffic633 by 2034
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Riddle Road over I-64 Eb/Wb built?

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

What condition is Riddle Road over I-64 Eb/Wb in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Riddle Road over I-64 Eb/Wb carry?

About 1,830 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Riddle Road over I-64 Eb/Wb?

The structure is 218 ft (66.4 m) long with a longest span of 107 ft (32.5 m) and a deck 35 ft wide.

Who owns Riddle Road over I-64 Eb/Wb?

It is owned by the State Highway Agency.