US Bridges

US 151 NB over Kitty Creek

Fair

Jones County, Iowa · 0.4 Mi. N of Jct. SR X44 · Structure no. 000000000608450

Built
2002
23 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
4,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 151 NB over Kitty Creek is a prestressed concrete stringer/multi-beam or girder carrying US 151 NB over Kitty Creek 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,300 vehicles a day, roughly 16% of them trucks, projected to reach 4,300 by 2043. The structure is 171 ft (52.1 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 151 NB
CrossesKitty Creek
Location0.4 Mi. N of Jct. SR X44
RouteU.S. Route 151
StateIowa
Coordinates42.20789, -91.18252
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.1 US tons
Inventory rating42.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span57 ft (17.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic4,300 by 2043
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 151 NB over Kitty Creek built?

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

What condition is US 151 NB over Kitty Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does US 151 NB over Kitty Creek carry?

About 4,300 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 151 NB over Kitty Creek?

The structure is 171 ft (52.1 m) long with a longest span of 57 ft (17.4 m) and a deck 55 ft wide.

Who owns US 151 NB over Kitty Creek?

It is owned by the State Highway Agency.