US Bridges

Corp Line RD over Plum Creek

FairPosted for load

Fremont County, Iowa · 070433510 · Structure no. 000000000011290

Built
1950
75 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
101 ft
1 main span
Daily traffic
5
2021 count
Owner
County
County Highway Agency

About this bridge

Corp Line RD over Plum Creek is a steel truss - thru carrying Corp Line RD over Plum Creek in Fremont County, Iowa. It was built in 1950, so it is 75 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 101 ft (30.8 m) long and 17 ft wide.

Location

Open in Google Maps
CarriesCorp Line RD
CrossesPlum Creek
Location070433510
RouteCounty Highway 0
CountyFremont County
StateIowa
Coordinates40.81749, -95.75597
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating16.2 US tons
Inventory rating9.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span100 ft (30.5 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible 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 Corp Line RD over Plum Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Corp Line RD over Plum Creek 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 April 2023.

How much traffic does Corp Line RD over Plum Creek carry?

About 5 vehicles per day (2021 count).

How long is Corp Line RD over Plum Creek?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 17 ft wide.

Who owns Corp Line RD over Plum Creek?

It is owned by the County Highway Agency.