US Bridges

SR 66 over Big Creek Overflow

Good

Posey County, Indiana · 02.31 E SR 165 · Structure no. 023330

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
6,690
2004 count
Owner
State
State Highway Agency

About this bridge

SR 66 over Big Creek Overflow is a prestressed concrete continuous box beam or girders - single or spread carrying SR 66 over Big Creek Overflow in Posey County, Indiana. It was built in 2003, so it is 22 years old, younger 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 6,690 vehicles a day, roughly 10% of them trucks, projected to reach 9,266 by 2032. The structure is 111 ft (33.8 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 66
CrossesBig Creek Overflow
Location02.31 E SR 165
RouteState Highway 66
CountyPosey County
StateIndiana
Coordinates38.0821, -87.76842
Functional classRural Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span38 ft (11.7 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,690 (2004)
Projected traffic9,266 by 2032
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 66 over Big Creek Overflow built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR 66 over Big Creek Overflow 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 March 2023.

How much traffic does SR 66 over Big Creek Overflow carry?

About 6,690 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 66 over Big Creek Overflow?

The structure is 111 ft (33.8 m) long with a longest span of 38 ft (11.7 m) and a deck 48 ft wide.

Who owns SR 66 over Big Creek Overflow?

It is owned by the State Highway Agency.