US Bridges

SR 45 over I-69 Nb/Sb

Good

Monroe County, Indiana · 03.06 S SR 37/SR 46 · Structure no. 016845

Built
1991
34 years old, rebuilt 2017
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
2 main spans
Daily traffic
24,423
2016 count
Owner
State
State Highway Agency

About this bridge

SR 45 over I-69 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying SR 45 over I-69 Nb/Sb in Monroe County, Indiana. It was built in 1991 and reconstructed in 2017, so it is 34 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 24,423 vehicles a day, roughly 2% of them trucks, projected to reach 30,034 by 2035. The structure is 300 ft (91.4 m) long and 99 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 45
CrossesI-69 Nb/Sb
Location03.06 S SR 37/SR 46
RouteState Highway 45
CountyMonroe County
StateIndiana
Coordinates39.14756, -86.57308
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span149 ft (45.4 m)
Deck width99 ft (30.1 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,423 (2016)
Projected traffic30,034 by 2035
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 SR 45 over I-69 Nb/Sb built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2017.

What condition is SR 45 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 February 2024.

How much traffic does SR 45 over I-69 Nb/Sb carry?

About 24,423 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is SR 45 over I-69 Nb/Sb?

The structure is 300 ft (91.4 m) long with a longest span of 149 ft (45.4 m) and a deck 99 ft wide.

Who owns SR 45 over I-69 Nb/Sb?

It is owned by the State Highway Agency.