US Bridges

Smith RD over Branch of South Prong CR

Fair

Morgan County, Indiana · 00.13 N of SR 44 · Structure no. 5500133

Built
1960
65 years old, rebuilt 1999
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
190
2023 count
Owner
County
County Highway Agency

About this bridge

Smith RD over Branch of South Prong CR is a steel stringer/multi-beam or girder carrying Smith RD over Branch of South Prong CR in Morgan County, Indiana. It was built in 1960 and reconstructed in 1999, so it is 65 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 190 vehicles a day, roughly 5% of them trucks, projected to reach 330 by 2043. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSmith RD
CrossesBranch of South Prong CR
Location00.13 N of SR 44
RouteCounty Highway 317
CountyMorgan County
StateIndiana
Coordinates39.44947, -86.2937
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating100 US tons
Inventory rating69.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic330 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Smith RD over Branch of South Prong CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.

What condition is Smith RD over Branch of South Prong CR 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 August 2024.

How much traffic does Smith RD over Branch of South Prong CR carry?

About 190 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Smith RD over Branch of South Prong CR?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.2 m) and a deck 24 ft wide.

Who owns Smith RD over Branch of South Prong CR?

It is owned by the County Highway Agency.