US Bridges

US 421 over Cripe Run

Fair

Clinton County, Indiana · 01.76 S SR 26 · Structure no. 032220

Built
1931
94 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
42 ft
1 main span
Daily traffic
3,441
2021 count
Owner
State
State Highway Agency

About this bridge

US 421 over Cripe Run is a concrete culvert carrying US 421 over Cripe Run in Clinton County, Indiana. It was built in 1931, so it is 94 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 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 3,441 vehicles a day, roughly 9% of them trucks, projected to reach 5,402 by 2034. The structure is 42 ft (12.8 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS 421
CrossesCripe Run
Location01.76 S SR 26
RouteU.S. Route 421
StateIndiana
Coordinates40.39215, -86.58718
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,441 (2021)
Projected traffic5,402 by 2034
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 421 over Cripe Run built?

It was built in 1931, making it 94 years old in 2025.

What condition is US 421 over Cripe Run 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 February 2023.

How much traffic does US 421 over Cripe Run carry?

About 3,441 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US 421 over Cripe Run?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 35 ft wide.

Who owns US 421 over Cripe Run?

It is owned by the State Highway Agency.