US Bridges

S 54th Ave W over Sewer Creek

PoorPosted for load

Jasper County, Iowa · 079192105 · Structure no. 000000000196950

Built
1931
94 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

S 54th Ave W over Sewer Creek is a steel stringer/multi-beam or girder carrying S 54th Ave W over Sewer Creek in Jasper County, Iowa. It was built in 1931, so it is 94 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesS 54th Ave W
CrossesSewer Creek
Location079192105
RouteCounty Highway 0
StateIowa
Coordinates41.64124, -93.07097
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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating9.5 US tons
Inventory rating6.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 S 54th Ave W over Sewer Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is S 54th Ave W over Sewer 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 April 2024.

How much traffic does S 54th Ave W over Sewer Creek carry?

About 11 vehicles per day (2022 count).

How long is S 54th Ave W over Sewer Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns S 54th Ave W over Sewer Creek?

It is owned by the County Highway Agency.