US Bridges

270th ST over Br W Br Wapsinonoc CR

Fair

Cedar County, Iowa · 080043201 · Structure no. 000000000103332

Built
2010
15 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
11
2021 count
Owner
County
County Highway Agency

About this bridge

270th ST over Br W Br Wapsinonoc CR is a steel stringer/multi-beam or girder carrying 270th ST over Br W Br Wapsinonoc CR in Cedar County, Iowa. It was built in 2010, so it is 15 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries270th ST
CrossesBr W Br Wapsinonoc CR
Location080043201
RouteCounty Highway 0
StateIowa
Coordinates41.70027, -91.34474
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 rating39.6 US tons
Inventory rating27.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2021)
Projected traffic11 by 2043
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 270th ST over Br W Br Wapsinonoc CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is 270th ST over Br W Br Wapsinonoc CR 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 2023.

How much traffic does 270th ST over Br W Br Wapsinonoc CR carry?

About 11 vehicles per day (2021 count).

How long is 270th ST over Br W Br Wapsinonoc CR?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns 270th ST over Br W Br Wapsinonoc CR?

It is owned by the County Highway Agency.