US Bridges

FM over N Lizard Ck Dd #77

Fair

Pocahontas County, Iowa · 093332602 · Structure no. 000000000280361

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FM over N Lizard Ck Dd #77 is a concrete continuous slab carrying FM over N Lizard Ck Dd #77 in Pocahontas County, Iowa. It was built in 1977, so it is 48 years old, older 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 6 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 100 vehicles a day, projected to reach 100 by 2044. The structure is 91 ft (27.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesN Lizard Ck Dd #77
Location093332602
RouteCounty Highway 0
StateIowa
Coordinates42.84187, -94.7181
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2044
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 FM over N Lizard Ck Dd #77 built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM over N Lizard Ck 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 2024.

How much traffic does FM over N Lizard Ck Dd #77 carry?

About 100 vehicles per day (2022 count).

How long is FM over N Lizard Ck Dd #77?

The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns FM over N Lizard Ck Dd #77?

It is owned by the County Highway Agency.