US Bridges

Base RD over Salt Creek

Fair

Decatur County, Indiana · 01.00 E of CR 850 E · Structure no. 1600062

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
75 ft
2 main spans
Daily traffic
390
2017 count
Owner
County
County Highway Agency

About this bridge

Base RD over Salt Creek is a prestressed concrete box beam or girders - single or spread carrying Base RD over Salt Creek in Decatur County, Indiana. It was built in 1966, so it is 59 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 390 vehicles a day, roughly 8% of them trucks, projected to reach 610 by 2037. The structure is 75 ft (22.8 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBase RD
CrossesSalt Creek
Location01.00 E of CR 850 E
RouteCounty Highway 0
CountyDecatur County
StateIndiana
Coordinates39.32336, -85.30862
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length75 ft (22.8 m)
Longest span36 ft (11.1 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2017)
Projected traffic610 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Base RD over Salt Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Base RD over Salt 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 April 2023.

How much traffic does Base RD over Salt Creek carry?

About 390 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Base RD over Salt Creek?

The structure is 75 ft (22.8 m) long with a longest span of 36 ft (11.1 m) and a deck 23 ft wide.

Who owns Base RD over Salt Creek?

It is owned by the County Highway Agency.