US Bridges

75th ST over Williams Creek

Fair

Marion County, Indiana · 00.05 E of College Ave · Structure no. 4900023

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
242 ft
4 main spans
Daily traffic
8,274
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

75th ST over Williams Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying 75th ST over Williams Creek in Marion County, Indiana. It was built in 1980, so it is 45 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 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 8,274 vehicles a day, roughly 4% of them trucks, projected to reach 12,290 by 2039. The structure is 242 ft (73.7 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
Carries75th ST
CrossesWilliams Creek
Location00.05 E of College Ave
RouteCity Street 3202
CountyMarion County
StateIndiana
Coordinates39.89053, -86.14409
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.7 m)
Longest span59 ft (18.1 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,274 (2019)
Projected traffic12,290 by 2039
Trucks4%
Lanes on structure2
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$1.5 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 75th ST over Williams Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is 75th ST over Williams 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 August 2024.

How much traffic does 75th ST over Williams Creek carry?

About 8,274 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is 75th ST over Williams Creek?

The structure is 242 ft (73.7 m) long with a longest span of 59 ft (18.1 m) and a deck 42 ft wide.

Who owns 75th ST over Williams Creek?

It is owned by the City or Municipal Highway Agency.