US Bridges

Harlan Drive over Hayworth Slough

Good

Vigo County, Indiana · 00.30 E SR 63 · Structure no. 8400048

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
691
2017 count
Owner
County
County Highway Agency

About this bridge

Harlan Drive over Hayworth Slough is a steel culvert carrying Harlan Drive over Hayworth Slough in Vigo County, Indiana. It was built in 1970, so it is 55 years old, older 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 691 vehicles a day, roughly 3% of them trucks, projected to reach 921 by 2037. The structure is 24 ft (7.3 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesHarlan Drive
CrossesHayworth Slough
Location00.30 E SR 63
RouteCounty Highway 0
CountyVigo County
StateIndiana
Coordinates39.34676, -87.49072
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width35 ft (10.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic691 (2017)
Projected traffic921 by 2037
Trucks3%
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 Harlan Drive over Hayworth Slough built?

It was built in 1970, making it 55 years old in 2025.

What condition is Harlan Drive over Hayworth Slough 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 July 2023.

How much traffic does Harlan Drive over Hayworth Slough carry?

About 691 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Harlan Drive over Hayworth Slough?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns Harlan Drive over Hayworth Slough?

It is owned by the County Highway Agency.