US Bridges

Local over North Lizard CR(DD#77)

Fair

Pocahontas County, Iowa · 091310902 · Structure no. 000000000278451

Built
1982
43 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over North Lizard CR(DD#77) is a concrete continuous slab carrying Local over North Lizard CR(DD#77) 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 128 ft (39 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesNorth Lizard CR(DD#77)
Location091310902
RouteCounty Highway 0
CountyPocahontas County
StateIowa
Coordinates42.71157, -94.52207
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.4 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over North Lizard CR(DD#77) built?

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

What condition is Local over North Lizard CR(DD#77) 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 2023.

How much traffic does Local over North Lizard CR(DD#77) carry?

About 11 vehicles per day (2022 count).

How long is Local over North Lizard CR(DD#77)?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns Local over North Lizard CR(DD#77)?

It is owned by the County Highway Agency.