US Bridges

CR 300N over Swamp Creek

Good

Shelby County, Indiana · 00.60 Mi. W. of CR 350 W · Structure no. 7300055

Built
2000
25 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
125
2019 count
Owner
County
County Highway Agency

About this bridge

CR 300N over Swamp Creek is a concrete continuous slab carrying CR 300N over Swamp Creek in Shelby County, Indiana. It was built in 2000, so it is 25 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 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2039. The structure is 76 ft (23.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 300N
CrossesSwamp Creek
Location00.60 Mi. W. of CR 350 W
RouteCounty Highway 56
StateIndiana
Coordinates39.56918, -85.85636
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2019)
Projected traffic200 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 300N over Swamp Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is CR 300N over Swamp 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 November 2023.

How much traffic does CR 300N over Swamp Creek carry?

About 125 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 300N over Swamp Creek?

The structure is 76 ft (23.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns CR 300N over Swamp Creek?

It is owned by the County Highway Agency.