US Bridges

3rd ST over Fork Creek

PoorPosted for load

Lee County, Iowa · 067030400 · Structure no. 000000000000532

Built
1960
65 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
326
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd ST over Fork Creek is a steel stringer/multi-beam or girder carrying 3rd ST over Fork Creek in Lee County, Iowa. It was built in 1960, so it is 65 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 326 vehicles a day, projected to reach 326 by 2043. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries3rd ST
CrossesFork Creek
Location067030400
RouteCity Street 0
StateIowa
Coordinates40.63651, -91.30327
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25.9 US tons
Inventory rating15.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2022)
Projected traffic326 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$220,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd ST over Fork Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 3rd ST over Fork 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 September 2023.

How much traffic does 3rd ST over Fork Creek carry?

About 326 vehicles per day (2022 count).

How long is 3rd ST over Fork Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns 3rd ST over Fork Creek?

It is owned by the City or Municipal Highway Agency.