US Bridges

CR 400E over Irwin Creek

FairPosted for load

Tipton County, Indiana · 00.30 N of CR 600 N · Structure no. 8000071

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

CR 400E over Irwin Creek is a steel culvert carrying CR 400E over Irwin Creek in Tipton County, Indiana. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2044. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 400E
CrossesIrwin Creek
Location00.30 N of CR 600 N
RouteCounty Highway 59
CountyTipton County
StateIndiana
Coordinates40.39576, -85.93772
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.2 m)
Deck width40 ft (12.1 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 400E over Irwin Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is CR 400E 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 400E over Irwin Creek carry?

About 100 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is CR 400E over Irwin Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.2 m) and a deck 40 ft wide.

Who owns CR 400E over Irwin Creek?

It is owned by the County Highway Agency.