US Bridges

Fort Knox Drive over Snapp Creek

Good

Knox County, Indiana · 00.22 N of Old Terre Haut · Structure no. 4200168

Built
1988
37 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
170
2015 count
Owner
County
County Highway Agency

About this bridge

Fort Knox Drive over Snapp Creek is a concrete continuous slab carrying Fort Knox Drive over Snapp Creek in Knox County, Indiana. It was built in 1988, so it is 37 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 170 vehicles a day, roughly 4% of them trucks, projected to reach 230 by 2035. The structure is 102 ft (31 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFort Knox Drive
CrossesSnapp Creek
Location00.22 N of Old Terre Haut
RouteCity Street 0
StateIndiana
Coordinates38.7024, -87.50502
Functional classUrban Local

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31 m)
Longest span39 ft (12 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2015)
Projected traffic230 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Fort Knox Drive over Snapp Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Fort Knox Drive over Snapp Creek 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 September 2023.

How much traffic does Fort Knox Drive over Snapp Creek carry?

About 170 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Fort Knox Drive over Snapp Creek?

The structure is 102 ft (31 m) long with a longest span of 39 ft (12 m) and a deck 29 ft wide.

Who owns Fort Knox Drive over Snapp Creek?

It is owned by the County Highway Agency.