US Bridges

Local over So Lizard CR DD#22

PoorPosted for load

Pocahontas County, Iowa · 090321502 · Structure no. 000000000277950

Built
1918
107 years old, rebuilt 1978
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over So Lizard CR DD#22 is a steel stringer/multi-beam or girder carrying Local over So Lizard CR DD#22 in Pocahontas County, Iowa. It was built in 1918 and reconstructed in 1978, so it is 107 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 39 ft (11.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSo Lizard CR DD#22
Location090321502
RouteCounty Highway 0
StateIowa
Coordinates42.60839, -94.61881
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.3 US tons
Inventory rating20.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$693,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over So Lizard CR DD#22 built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1978.

What condition is Local over So Lizard CR DD#22 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Local over So Lizard CR DD#22 carry?

About 20 vehicles per day (2022 count).

How long is Local over So Lizard CR DD#22?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 25 ft wide.

Who owns Local over So Lizard CR DD#22?

It is owned by the County Highway Agency.