US Bridges

So 10th ST over Soap Creek

Fair

Lee County, Iowa · 000000000 · Structure no. 000000000006861

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
460
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

So 10th ST over Soap Creek is a prestressed concrete stringer/multi-beam or girder carrying So 10th ST over Soap Creek in Lee County, Iowa. It was built in 1982, so it is 43 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 460 vehicles a day, projected to reach 460 by 2044. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSo 10th ST
CrossesSoap Creek
Location000000000
RouteCity Street 0
CountyLee County
StateIowa
Coordinates40.39423, -91.39707
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.1 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2022)
Projected traffic460 by 2044
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was So 10th ST over Soap Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is So 10th ST over Soap 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 May 2024.

How much traffic does So 10th ST over Soap Creek carry?

About 460 vehicles per day (2022 count).

How long is So 10th ST over Soap Creek?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.

Who owns So 10th ST over Soap Creek?

It is owned by the City or Municipal Highway Agency.