US Bridges

Knollton RD over Crooked Creek

Good

Marion County, Indiana · 00.40 S of 56th ST · Structure no. 4900707

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
2,106
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Knollton RD over Crooked Creek is a prestressed concrete box beam or girders - single or spread carrying Knollton RD over Crooked Creek in Marion County, Indiana. It was built in 2021, so it is 4 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,106 vehicles a day, roughly 11% of them trucks, projected to reach 3,544 by 2039. The structure is 107 ft (32.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKnollton RD
CrossesCrooked Creek
Location00.40 S of 56th ST
RouteCity Street 0
StateIndiana
Coordinates39.84805, -86.19763
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span35 ft (10.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,106 (2020)
Projected traffic3,544 by 2039
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Knollton RD over Crooked Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Knollton RD over Crooked Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Knollton RD over Crooked Creek carry?

About 2,106 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Knollton RD over Crooked Creek?

The structure is 107 ft (32.6 m) long with a longest span of 35 ft (10.8 m) and a deck 38 ft wide.

Who owns Knollton RD over Crooked Creek?

It is owned by the City or Municipal Highway Agency.