US Bridges

I-69 SB over Lugar Creek

Fair

Grant County, Indiana · 00.76 S SR 18 · Structure no. 039720

Built
1963
62 years old, rebuilt 2016
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
14,634
2021 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over Lugar Creek is a concrete continuous slab carrying I-69 SB over Lugar Creek in Grant County, Indiana. It was built in 1963 and reconstructed in 2016, so it is 62 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,634 vehicles a day, roughly 38% of them trucks, projected to reach 21,562 by 2031. The structure is 81 ft (24.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69 SB
CrossesLugar Creek
Location00.76 S SR 18
RouteInterstate 69
StateIndiana
Coordinates40.54207, -85.55075
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.6 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,634 (2021)
Projected traffic21,562 by 2031
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SB over Lugar Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2016.

What condition is I-69 SB over Lugar Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does I-69 SB over Lugar Creek carry?

About 14,634 vehicles per day (2021 count), of which roughly 38% are trucks.

How long is I-69 SB over Lugar Creek?

The structure is 81 ft (24.6 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns I-69 SB over Lugar Creek?

It is owned by the State Highway Agency.