US Bridges

I-70 WB over Symons Creek

Fair

Henry County, Indiana · 04.42 E SR 103 · Structure no. 043190

Built
1965
60 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
18,703
2004 count
Owner
State
State Highway Agency

About this bridge

I-70 WB over Symons Creek is a concrete continuous slab carrying I-70 WB over Symons Creek in Henry County, Indiana. It was built in 1965 and reconstructed in 1995, so it is 60 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 18,703 vehicles a day, roughly 10% of them trucks, projected to reach 34,000 by 2031. The structure is 85 ft (26 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-70 WB
CrossesSymons Creek
Location04.42 E SR 103
RouteInterstate 70
CountyHenry County
StateIndiana
Coordinates39.85221, -85.27022
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length85 ft (26 m)
Longest span33 ft (10 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,703 (2004)
Projected traffic34,000 by 2031
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-70 WB over Symons Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1995.

What condition is I-70 WB over Symons Creek 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 December 2023.

How much traffic does I-70 WB over Symons Creek carry?

About 18,703 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-70 WB over Symons Creek?

The structure is 85 ft (26 m) long with a longest span of 33 ft (10 m) and a deck 55 ft wide.

Who owns I-70 WB over Symons Creek?

It is owned by the State Highway Agency.