US Bridges

US 151 SB over Iowa 38

Good

Jones County, Iowa · At the Jct. Iowa #38 · Structure no. 000000000608460

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
233 ft
3 main spans
Daily traffic
4,100
2022 count
Owner
State
State Highway Agency

About this bridge

US 151 SB over Iowa 38 is a prestressed concrete stringer/multi-beam or girder carrying US 151 SB over Iowa 38 in Jones County, Iowa. It was built in 2002, so it is 23 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 4,100 vehicles a day, roughly 18% of them trucks, projected to reach 4,100 by 2042. The structure is 233 ft (71 m) long and 43 ft wide.

CarriesUS 151 SB
CrossesIowa 38
LocationAt the Jct. Iowa #38
RouteU.S. Route 151
StateIowa
Coordinates42.23088, -91.1712
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating83.3 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length233 ft (71 m)
Longest span105 ft (32 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2022)
Projected traffic4,100 by 2042
Trucks18%
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 Iowa 38 built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 151 SB over Iowa 38 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 August 2023.

How much traffic does US 151 SB over Iowa 38 carry?

About 4,100 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 151 SB over Iowa 38?

The structure is 233 ft (71 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns US 151 SB over Iowa 38?

It is owned by the State Highway Agency.