US Bridges

I-69 over Unt Smith Fork

Good

Gibson County, Indiana · 00.74 S SR 168 · Structure no. 080088

Built
2012
13 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
20,127
2011 count
Owner
State
State Highway Agency

About this bridge

I-69 over Unt Smith Fork is a concrete culvert carrying I-69 over Unt Smith Fork in Gibson County, Indiana. It was built in 2012, so it is 13 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 20,127 vehicles a day, roughly 25% of them trucks, projected to reach 29,907 by 2031. The structure is 36 ft (11.1 m) long and 132 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-69
CrossesUnt Smith Fork
Location00.74 S SR 168
RouteInterstate 69
StateIndiana
Coordinates38.24339, -87.44201
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length36 ft (11.1 m)
Longest span33 ft (10.2 m)
Deck width132 ft (40.2 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,127 (2011)
Projected traffic29,907 by 2031
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-69 over Unt Smith Fork built?

It was built in 2012, making it 13 years old in 2025.

What condition is I-69 over Unt Smith Fork 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 November 2024.

How much traffic does I-69 over Unt Smith Fork carry?

About 20,127 vehicles per day (2011 count), of which roughly 25% are trucks.

How long is I-69 over Unt Smith Fork?

The structure is 36 ft (11.1 m) long with a longest span of 33 ft (10.2 m) and a deck 132 ft wide.

Who owns I-69 over Unt Smith Fork?

It is owned by the State Highway Agency.