US Bridges

Grelle RD over Boyd Branch

Fair

Dearborn County, Indiana · 00.30 SW of Sangamaw RD · Structure no. 1500010

Built
2000
25 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
90
2017 count
Owner
County
County Highway Agency

About this bridge

Grelle RD over Boyd Branch is a prestressed concrete box beam or girders - multiple carrying Grelle RD over Boyd Branch in Dearborn County, Indiana. It was built in 2000, so it is 25 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 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2037. The structure is 44 ft (13.4 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesGrelle RD
CrossesBoyd Branch
Location00.30 SW of Sangamaw RD
RouteCounty Highway 0
CountyDearborn County
StateIndiana
Coordinates39.0007, -85.11658
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.1 US tons
Inventory rating43.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2017)
Projected traffic130 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Grelle RD over Boyd Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Grelle RD over Boyd 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 April 2023.

How much traffic does Grelle RD over Boyd Branch carry?

About 90 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Grelle RD over Boyd Branch?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 20 ft wide.

Who owns Grelle RD over Boyd Branch?

It is owned by the County Highway Agency.