US Bridges

S County Line RD over Big Blue River

Fair

Henry County, Indiana · 00.10 W of Mill Road · Structure no. 3300114

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
5 main spans
Daily traffic
575
2019 count
Owner
County
County Highway Agency

About this bridge

S County Line RD over Big Blue River is a steel continuous stringer/multi-beam or girder carrying S County Line RD over Big Blue River in Henry County, Indiana. It was built in 1972, so it is 53 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 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 575 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2039. The structure is 243 ft (74 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS County Line RD
CrossesBig Blue River
Location00.10 W of Mill Road
RouteCounty Highway 0
CountyHenry County
StateIndiana
Coordinates39.78963, -85.52255
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.7 US tons
Inventory rating42.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length243 ft (74 m)
Longest span52 ft (16 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2019)
Projected traffic1,000 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$685,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S County Line RD over Big Blue River built?

It was built in 1972, making it 53 years old in 2025.

What condition is S County Line RD over Big Blue River 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 July 2023.

How much traffic does S County Line RD over Big Blue River carry?

About 575 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is S County Line RD over Big Blue River?

The structure is 243 ft (74 m) long with a longest span of 52 ft (16 m) and a deck 30 ft wide.

Who owns S County Line RD over Big Blue River?

It is owned by the County Highway Agency.