US Bridges

FM over Big Cedar Ck Dd #41

Poor

Pocahontas County, Iowa · 093341502 · Structure no. 000000000280480

Built
1969
56 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
379
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Big Cedar Ck Dd #41 is a concrete slab carrying FM over Big Cedar Ck Dd #41 in Pocahontas County, Iowa. It was built in 1969, so it is 56 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.

It carries about 379 vehicles a day, roughly 18% of them trucks, projected to reach 379 by 2044. The structure is 32 ft (9.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesBig Cedar Ck Dd #41
Location093341502
RouteCounty Highway 0
StateIowa
Coordinates42.87003, -94.85606
Functional classRural Minor Collector

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating14.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic379 (2022)
Projected traffic379 by 2044
Trucks18%
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 Big Cedar Ck Dd #41 built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM over Big Cedar Ck Dd #41 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 2024.

How much traffic does FM over Big Cedar Ck Dd #41 carry?

About 379 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FM over Big Cedar Ck Dd #41?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM over Big Cedar Ck Dd #41?

It is owned by the County Highway Agency.