US Bridges

Local - Chicago over Buck Creek

PoorPosted for load

Cass County, Iowa · 077361801 · Structure no. 000000000101021

Built
1900
125 years old, rebuilt 1974
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
128 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local - Chicago over Buck Creek is a steel truss - thru carrying Local - Chicago over Buck Creek in Cass County, Iowa. It was built in 1900 and reconstructed in 1974, so it is 125 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 3 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 17% of them trucks, projected to reach 30 by 2044. The structure is 128 ft (39 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal - Chicago
CrossesBuck Creek
Location077361801
RouteCounty Highway 0
StateIowa
Coordinates41.47568, -95.03188
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.1 US tons
Inventory rating4.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length128 ft (39 m)
Longest span127 ft (38.7 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local - Chicago over Buck Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1974.

What condition is Local - Chicago over Buck Creek 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 February 2024.

How much traffic does Local - Chicago over Buck Creek carry?

About 30 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Local - Chicago over Buck Creek?

The structure is 128 ft (39 m) long with a longest span of 127 ft (38.7 m) and a deck 17 ft wide.

Who owns Local - Chicago over Buck Creek?

It is owned by the County Highway Agency.