US Bridges

FM over S Lizard Creek DD#22

Fair

Pocahontas County, Iowa · 091333601 · Structure no. 000000000278991

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
589
2022 count
Owner
County
County Highway Agency

About this bridge

FM over S Lizard Creek DD#22 is a concrete continuous slab carrying FM over S Lizard Creek DD#22 in Pocahontas County, Iowa. It was built in 1982, so it is 43 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 5 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 589 vehicles a day, roughly 22% of them trucks, projected to reach 589 by 2044. The structure is 78 ft (23.8 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesS Lizard Creek DD#22
Location091333601
RouteCounty Highway 0
StateIowa
Coordinates42.65972, -94.68602
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating34.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2022)
Projected traffic589 by 2044
Trucks22%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over S Lizard Creek DD#22 built?

It was built in 1982, making it 43 years old in 2025.

What condition is FM over S Lizard Creek DD#22 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 October 2024.

How much traffic does FM over S Lizard Creek DD#22 carry?

About 589 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is FM over S Lizard Creek DD#22?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 37 ft wide.

Who owns FM over S Lizard Creek DD#22?

It is owned by the County Highway Agency.