US Bridges

Sawmill Road over East Grassy Creek

FairPosted for load

Johnson County, Indiana · 0.30 N of CR 500 N · Structure no. 4100096

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,867
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sawmill Road over East Grassy Creek is a prestressed concrete box beam or girders - multiple carrying Sawmill Road over East Grassy Creek in Johnson County, Indiana. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 1,867 vehicles a day, roughly 3% of them trucks, projected to reach 3,606 by 2042. The structure is 40 ft (12.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSawmill Road
CrossesEast Grassy Creek
Location0.30 N of CR 500 N
RouteCity Street 0
StateIndiana
Coordinates39.55326, -86.10168
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span37 ft (11.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,867 (2022)
Projected traffic3,606 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sawmill Road over East Grassy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Sawmill Road over East Grassy 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 June 2024.

How much traffic does Sawmill Road over East Grassy Creek carry?

About 1,867 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sawmill Road over East Grassy Creek?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 24 ft wide.

Who owns Sawmill Road over East Grassy Creek?

It is owned by the Town or Township Highway Agency.