US Bridges

US 421 over Graham Creek

Good

Ripley County, Indiana · 00.80 S SR 129 · Structure no. 032031

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
5,080
2018 count
Owner
State
State Highway Agency

About this bridge

US 421 over Graham Creek is a prestressed concrete box beam or girders - single or spread carrying US 421 over Graham Creek in Ripley County, Indiana. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,080 vehicles a day, roughly 21% of them trucks, projected to reach 5,200 by 2041. The structure is 49 ft (15 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesUS 421
CrossesGraham Creek
Location00.80 S SR 129
RouteU.S. Route 421
CountyRipley County
StateIndiana
Coordinates39.05157, -85.26017
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating45.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (15 m)
Longest span48 ft (14.7 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,080 (2018)
Projected traffic5,200 by 2041
Trucks21%
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 Graham Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 421 over Graham Creek 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 January 2024.

How much traffic does US 421 over Graham Creek carry?

About 5,080 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is US 421 over Graham Creek?

The structure is 49 ft (15 m) long with a longest span of 48 ft (14.7 m) and a deck 37 ft wide.

Who owns US 421 over Graham Creek?

It is owned by the State Highway Agency.