US Bridges

Boonville Nharm over I-69 Nb/Sb

Good

Vanderburgh County, Indiana · 05.53 S I-64 · Structure no. 070420

Built
1987
38 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
5,993
2023 count
Owner
State
State Highway Agency

About this bridge

Boonville Nharm over I-69 Nb/Sb is a prestressed concrete continuous stringer/multi-beam or girder carrying Boonville Nharm over I-69 Nb/Sb in Vanderburgh County, Indiana. It was built in 1987, so it is 38 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 5,993 vehicles a day, roughly 9% of them trucks, projected to reach 8,905 by 2043. The structure is 183 ft (55.7 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBoonville Nharm
CrossesI-69 Nb/Sb
Location05.53 S I-64
RouteCounty Highway 0
StateIndiana
Coordinates38.08936, -87.4766
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.7 m)
Longest span91 ft (27.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,993 (2023)
Projected traffic8,905 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boonville Nharm over I-69 Nb/Sb built?

It was built in 1987, making it 38 years old in 2025.

What condition is Boonville Nharm over I-69 Nb/Sb 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 April 2023.

How much traffic does Boonville Nharm over I-69 Nb/Sb carry?

About 5,993 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Boonville Nharm over I-69 Nb/Sb?

The structure is 183 ft (55.7 m) long with a longest span of 91 ft (27.6 m) and a deck 47 ft wide.

Who owns Boonville Nharm over I-69 Nb/Sb?

It is owned by the State Highway Agency.