US Bridges

Maple Turn RD over Grassy Fork

Fair

Morgan County, Indiana · 00.33 W of Old SR 37 N · Structure no. 5500048

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
3,020
2023 count
Owner
County
County Highway Agency

About this bridge

Maple Turn RD over Grassy Fork is a concrete continuous slab carrying Maple Turn RD over Grassy Fork in Morgan County, Indiana. It was built in 1990, so it is 35 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 3,020 vehicles a day, roughly 5% of them trucks, projected to reach 5,290 by 2043. The structure is 77 ft (23.4 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMaple Turn RD
CrossesGrassy Fork
Location00.33 W of Old SR 37 N
RouteCounty Highway 142
CountyMorgan County
StateIndiana
Coordinates39.47508, -86.37939
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.4 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,020 (2023)
Projected traffic5,290 by 2043
Trucks5%
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 Maple Turn RD over Grassy Fork built?

It was built in 1990, making it 35 years old in 2025.

What condition is Maple Turn RD over Grassy Fork 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 Maple Turn RD over Grassy Fork carry?

About 3,020 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Maple Turn RD over Grassy Fork?

The structure is 77 ft (23.4 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns Maple Turn RD over Grassy Fork?

It is owned by the County Highway Agency.