US Bridges

CR 300E over Sly Fork

Good

Madison County, Indiana · 00.30 S CR 600 S · Structure no. 4800148

Built
1974
51 years old, rebuilt 2014
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
957
2023 count
Owner
County
County Highway Agency

About this bridge

CR 300E over Sly Fork is a concrete continuous slab carrying CR 300E over Sly Fork in Madison County, Indiana. It was built in 1974 and reconstructed in 2014, so it is 51 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 957 vehicles a day, roughly 5% of them trucks, projected to reach 1,356 by 2043. The structure is 71 ft (21.7 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 300E
CrossesSly Fork
Location00.30 S CR 600 S
RouteCounty Highway 93
StateIndiana
Coordinates40.01515, -85.61484
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.7 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic957 (2023)
Projected traffic1,356 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 CR 300E over Sly Fork built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2014.

What condition is CR 300E over Sly Fork 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 October 2024.

How much traffic does CR 300E over Sly Fork carry?

About 957 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 300E over Sly Fork?

The structure is 71 ft (21.7 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns CR 300E over Sly Fork?

It is owned by the County Highway Agency.