US Bridges

Hillsboro RD over Little Blue River

Fair

Henry County, Indiana · 00.40 N of CR 200 N · Structure no. 3300048

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
1,591
2021 count
Owner
County
County Highway Agency

About this bridge

Hillsboro RD over Little Blue River is a concrete continuous slab carrying Hillsboro RD over Little Blue River in Henry County, Indiana. It was built in 1960, 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 1,591 vehicles a day, roughly 8% of them trucks, projected to reach 2,425 by 2041. The structure is 102 ft (31 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHillsboro RD
CrossesLittle Blue River
Location00.40 N of CR 200 N
RouteCounty Highway 0
StateIndiana
Coordinates39.96395, -85.33604
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,591 (2021)
Projected traffic2,425 by 2041
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hillsboro RD over Little Blue River built?

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

What condition is Hillsboro RD over Little 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 August 2023.

How much traffic does Hillsboro RD over Little Blue River carry?

About 1,591 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Hillsboro RD over Little Blue River?

The structure is 102 ft (31 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns Hillsboro RD over Little Blue River?

It is owned by the County Highway Agency.