US Bridges

10th ST over Grassy Creek

Fair

Marion County, Indiana · 00.35 E of Mitthoeffer RD · Structure no. 4900264

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
16,016
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

10th ST over Grassy Creek is a concrete continuous slab carrying 10th ST over Grassy Creek in Marion County, Indiana. It was built in 1976, so it is 49 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 16,016 vehicles a day, roughly 5% of them trucks, projected to reach 23,799 by 2039. The structure is 106 ft (32.3 m) long and 79 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
Carries10th ST
CrossesGrassy Creek
Location00.35 E of Mitthoeffer RD
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.78234, -85.98385
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span42 ft (12.7 m)
Deck width79 ft (24.2 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,016 (2019)
Projected traffic23,799 by 2039
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$243,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 10th ST over Grassy Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is 10th ST over 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 July 2024.

How much traffic does 10th ST over Grassy Creek carry?

About 16,016 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 10th ST over Grassy Creek?

The structure is 106 ft (32.3 m) long with a longest span of 42 ft (12.7 m) and a deck 79 ft wide.

Who owns 10th ST over Grassy Creek?

It is owned by the City or Municipal Highway Agency.