US Bridges

FM over Little Cedar Ck Dd #181

Fair

Pocahontas County, Iowa · 091340802 · Structure no. 000000000279010

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Cedar Ck Dd #181 is a steel stringer/multi-beam or girder carrying FM over Little Cedar Ck Dd #181 in Pocahontas County, Iowa. It was built in 1966, so it is 59 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 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 45 ft (13.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesLittle Cedar Ck Dd #181
Location091340802
RouteCounty Highway 0
StateIowa
Coordinates42.7157, -94.89449
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.8 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 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 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 Little Cedar Ck Dd #181 built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM over Little Cedar Ck Dd #181 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 Little Cedar Ck Dd #181 carry?

About 20 vehicles per day (2022 count).

How long is FM over Little Cedar Ck Dd #181?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 30 ft wide.

Who owns FM over Little Cedar Ck Dd #181?

It is owned by the County Highway Agency.