US Bridges

Cummings Fd.Rd. over W Otter CR

FairPosted for load

Linn County, Iowa · 085082411 · Structure no. 000000000222580

Built
1956
69 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

Cummings Fd.Rd. over W Otter CR is a concrete channel beam carrying Cummings Fd.Rd. over W Otter CR in Linn County, Iowa. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 70 by 2044. The structure is 94 ft (28.7 m) long and 23 ft wide.

Location

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CarriesCummings Fd.Rd.
CrossesW Otter CR
Location085082411
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates42.15929, -91.72085
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
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.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.1 US tons
Inventory rating14.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length94 ft (28.7 m)
Longest span31 ft (9.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic70 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Cummings Fd.Rd. over W Otter CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Cummings Fd.Rd. over W Otter CR 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 September 2024.

How much traffic does Cummings Fd.Rd. over W Otter CR carry?

About 70 vehicles per day (2022 count).

How long is Cummings Fd.Rd. over W Otter CR?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns Cummings Fd.Rd. over W Otter CR?

It is owned by the County Highway Agency.