US Bridges

Ia 10 over North Lizard Creek

Good

Pocahontas County, Iowa · 1.6 Mi. W of JCT Ia 4 · Structure no. 000000000040291

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
920
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 10 over North Lizard Creek is a concrete continuous culvert carrying Ia 10 over North Lizard Creek in Pocahontas County, Iowa. It was built in 2003, so it is 22 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 920 vehicles a day, roughly 16% of them trucks, projected to reach 920 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 10
CrossesNorth Lizard Creek
Location1.6 Mi. W of JCT Ia 4
RouteState Highway 10
StateIowa
Coordinates42.83155, -94.70969
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2023)
Projected traffic920 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ia 10 over North Lizard Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Ia 10 over North Lizard 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 July 2024.

How much traffic does Ia 10 over North Lizard Creek carry?

About 920 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ia 10 over North Lizard Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Ia 10 over North Lizard Creek?

It is owned by the State Highway Agency.