US Bridges

CR 500N over Irwin Creek

Fair

Tipton County, Indiana · 00.30 E of CR 400 E · Structure no. 8000044

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

CR 500N over Irwin Creek is a prestressed concrete box beam or girders - multiple carrying CR 500N over Irwin Creek in Tipton County, Indiana. It was built in 1972, so it is 53 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 275 by 2044. The structure is 48 ft (14.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 500N
CrossesIrwin Creek
Location00.30 E of CR 400 E
RouteCounty Highway 46
CountyTipton County
StateIndiana
Coordinates40.37758, -85.93041
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 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 rating71 US tons
Inventory rating42.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.7 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic275 by 2044
Trucks3%
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 500N over Irwin Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR 500N over Irwin 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 November 2024.

How much traffic does CR 500N over Irwin Creek carry?

About 150 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is CR 500N over Irwin Creek?

The structure is 48 ft (14.7 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns CR 500N over Irwin Creek?

It is owned by the County Highway Agency.