US Bridges

Osage Ave over Reloc US 34

Good

Jefferson County, Iowa · 3.0 Mi. E of Jct. Ia #1 · Structure no. 000000000609900

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
2 main spans
Daily traffic
1,280
2022 count
Owner
State
State Highway Agency

About this bridge

Osage Ave over Reloc US 34 is a prestressed concrete stringer/multi-beam or girder carrying Osage Ave over Reloc US 34 in Jefferson County, Iowa. It was built in 2007, so it is 18 years old, younger than the Iowa average of 45.5 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 1,280 vehicles a day, roughly 8% of them trucks, projected to reach 1,280 by 2043. The structure is 255 ft (77.7 m) long and 61 ft wide.

CarriesOsage Ave
CrossesReloc US 34
Location3.0 Mi. E of Jct. Ia #1
RouteCounty Highway 0
StateIowa
Coordinates41.00086, -91.91425
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span131 ft (39.9 m)
Deck width61 ft (18.7 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2022)
Projected traffic1,280 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Osage Ave over Reloc US 34 built?

It was built in 2007, making it 18 years old in 2025.

What condition is Osage Ave over Reloc US 34 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 December 2023.

How much traffic does Osage Ave over Reloc US 34 carry?

About 1,280 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Osage Ave over Reloc US 34?

The structure is 255 ft (77.7 m) long with a longest span of 131 ft (39.9 m) and a deck 61 ft wide.

Who owns Osage Ave over Reloc US 34?

It is owned by the State Highway Agency.