US Bridges

540th ST over S Lizard Creek Dd 22

Good

Pocahontas County, Iowa · 091331601 · Structure no. 000000000278881

Built
2015
10 years old
Condition
Good
inspected November 2021
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

540th ST over S Lizard Creek Dd 22 is a steel culvert carrying 540th ST over S Lizard Creek Dd 22 in Pocahontas County, Iowa. It was built in 2015, so it is 10 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries540th ST
CrossesS Lizard Creek Dd 22
Location091331601
RouteCounty Highway 0
CountyPocahontas County
StateIowa
Coordinates42.70309, -94.73972
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 540th ST over S Lizard Creek Dd 22 built?

It was built in 2015, making it 10 years old in 2025.

What condition is 540th ST over S Lizard Creek Dd 22 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 November 2021.

How much traffic does 540th ST over S Lizard Creek Dd 22 carry?

About 15 vehicles per day (2022 count).

How long is 540th ST over S Lizard Creek Dd 22?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns 540th ST over S Lizard Creek Dd 22?

It is owned by the County Highway Agency.