US Bridges

SR 42 over I-70 WB

Fair

Clay County, Indiana · 04.07 W SR 59 · Structure no. 015750

Built
1967
58 years old, rebuilt 1986
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
29,657
2021 count
Owner
State
State Highway Agency

About this bridge

SR 42 over I-70 WB is a steel continuous stringer/multi-beam or girder carrying SR 42 over I-70 WB in Clay County, Indiana. It was built in 1967 and reconstructed in 1986, so it is 58 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 5 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 29,657 vehicles a day, roughly 3% of them trucks, projected to reach 2,507 by 2033. The structure is 254 ft (77.4 m) long and 35 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR 42
CrossesI-70 WB
Location04.07 W SR 59
RouteState Highway 42
CountyClay County
StateIndiana
Coordinates39.44795, -87.20431
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span107 ft (32.6 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,657 (2021)
Projected traffic2,507 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 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 SR 42 over I-70 WB built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1986.

What condition is SR 42 over I-70 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 2024.

How much traffic does SR 42 over I-70 WB carry?

About 29,657 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is SR 42 over I-70 WB?

The structure is 254 ft (77.4 m) long with a longest span of 107 ft (32.6 m) and a deck 35 ft wide.

Who owns SR 42 over I-70 WB?

It is owned by the State Highway Agency.