US Bridges

SR 109 over Six Mile Creek

Fair

Henry County, Indiana · 02.59 N I-70 · Structure no. 025380

Built
1985
40 years old, rebuilt 2017
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
3,575
2022 count
Owner
State
State Highway Agency

About this bridge

SR 109 over Six Mile Creek is a concrete continuous slab carrying SR 109 over Six Mile Creek in Henry County, Indiana. It was built in 1985 and reconstructed in 2017, so it is 40 years old, younger 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 3,575 vehicles a day, roughly 10% of them trucks, projected to reach 3,950 by 2036. The structure is 85 ft (26 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 109
CrossesSix Mile Creek
Location02.59 N I-70
RouteState Highway 109
CountyHenry County
StateIndiana
Coordinates39.86795, -85.58723
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (26 m)
Longest span31 ft (9.6 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,575 (2022)
Projected traffic3,950 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 109 over Six Mile Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2017.

What condition is SR 109 over Six Mile 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 March 2023.

How much traffic does SR 109 over Six Mile Creek carry?

About 3,575 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 109 over Six Mile Creek?

The structure is 85 ft (26 m) long with a longest span of 31 ft (9.6 m) and a deck 46 ft wide.

Who owns SR 109 over Six Mile Creek?

It is owned by the State Highway Agency.