US Bridges

SR 45 over Keller Branch

Fair

Monroe County, Indiana · 04.49 N SR 445 · Structure no. 016830

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
12,107
2004 count
Owner
State
State Highway Agency

About this bridge

SR 45 over Keller Branch is a concrete continuous slab carrying SR 45 over Keller Branch in Monroe 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 fair condition with a lowest component rating of 5 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 12,107 vehicles a day, roughly 10% of them trucks, projected to reach 16,944 by 2033. The structure is 75 ft (22.8 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 45
CrossesKeller Branch
Location04.49 N SR 445
RouteState Highway 45
CountyMonroe County
StateIndiana
Coordinates39.08761, -86.6697
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length75 ft (22.8 m)
Longest span36 ft (11.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,107 (2004)
Projected traffic16,944 by 2033
Trucks10%
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

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 SR 45 over Keller Branch built?

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

What condition is SR 45 over Keller Branch 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 February 2024.

How much traffic does SR 45 over Keller Branch carry?

About 12,107 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 45 over Keller Branch?

The structure is 75 ft (22.8 m) long with a longest span of 36 ft (11.1 m) and a deck 47 ft wide.

Who owns SR 45 over Keller Branch?

It is owned by the State Highway Agency.