US Bridges

US 421 over Lake Freeman

Good

Carroll County, Indiana · 01.50 S US 24 · Structure no. 032340

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
506 ft
3 main spans
Daily traffic
7,061
2021 count
Owner
State
State Highway Agency

About this bridge

US 421 over Lake Freeman is a steel continuous stringer/multi-beam or girder carrying US 421 over Lake Freeman in Carroll County, Indiana. It was built in 2001, so it is 24 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 7,061 vehicles a day, roughly 4% of them trucks, projected to reach 10,022 by 2030. The structure is 506 ft (154.2 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 421
CrossesLake Freeman
Location01.50 S US 24
RouteU.S. Route 421
StateIndiana
Coordinates40.72727, -86.75789
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length506 ft (154.2 m)
Longest span167 ft (50.9 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,061 (2021)
Projected traffic10,022 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 421 over Lake Freeman built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 421 over Lake Freeman 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 June 2024.

How much traffic does US 421 over Lake Freeman carry?

About 7,061 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US 421 over Lake Freeman?

The structure is 506 ft (154.2 m) long with a longest span of 167 ft (50.9 m) and a deck 45 ft wide.

Who owns US 421 over Lake Freeman?

It is owned by the State Highway Agency.