US Bridges

CR 400N over Irwin Creek

Fair

Tipton County, Indiana · 00.20 MI E of CR 500 E · Structure no. 8000096

Built
2014
11 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

CR 400N over Irwin Creek is a prestressed concrete box beam or girders - multiple carrying CR 400N over Irwin Creek in Tipton County, Indiana. It was built in 2014, so it is 11 years old, younger 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 6 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 400 vehicles a day, roughly 8% of them trucks, projected to reach 625 by 2044. The structure is 65 ft (19.9 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 400N
CrossesIrwin Creek
Location00.20 MI E of CR 500 E
RouteCounty Highway 148
StateIndiana
Coordinates40.36341, -85.91528
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length65 ft (19.9 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic625 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 400N over Irwin Creek built?

It was built in 2014, making it 11 years old in 2025.

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

About 400 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CR 400N over Irwin Creek?

The structure is 65 ft (19.9 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns CR 400N over Irwin Creek?

It is owned by the County Highway Agency.