US Bridges

US 151 SB over Ia 64

Good

Jones County, Iowa · At Jct. Ia 64 · Structure no. 000000000607850

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
6,000
2022 count
Owner
State
State Highway Agency

About this bridge

US 151 SB over Ia 64 is a prestressed concrete stringer/multi-beam or girder carrying US 151 SB over Ia 64 in Jones County, Iowa. It was built in 2001, so it is 24 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 6,000 vehicles a day, roughly 15% of them trucks, projected to reach 6,000 by 2042. The structure is 203 ft (61.9 m) long and 43 ft wide.

CarriesUS 151 SB
CrossesIa 64
LocationAt Jct. Ia 64
RouteU.S. Route 151
StateIowa
Coordinates42.10422, -91.26724
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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating44.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span107 ft (32.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2022)
Projected traffic6,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 151 SB over Ia 64 built?

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

What condition is US 151 SB over Ia 64 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 September 2023.

How much traffic does US 151 SB over Ia 64 carry?

About 6,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 151 SB over Ia 64?

The structure is 203 ft (61.9 m) long with a longest span of 107 ft (32.6 m) and a deck 43 ft wide.

Who owns US 151 SB over Ia 64?

It is owned by the State Highway Agency.