US Bridges

E 64th ST S over Stream

PoorPosted for load

Jasper County, Iowa · 078181806 · Structure no. 000000000195350

Built
1940
85 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
5
2021 count
Owner
County
County Highway Agency

About this bridge

E 64th ST S over Stream is a steel stringer/multi-beam or girder carrying E 64th ST S over Stream in Jasper County, Iowa. It was built in 1940, so it is 85 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 5 vehicles a day, projected to reach 5 by 2044. The structure is 43 ft (13.1 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE 64th ST S
CrossesStream
Location078181806
RouteCounty Highway 0
StateIowa
Coordinates41.55454, -92.97779
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.3 US tons
Inventory rating8.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$644,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E 64th ST S over Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is E 64th ST S over Stream 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 E 64th ST S over Stream carry?

About 5 vehicles per day (2021 count).

How long is E 64th ST S over Stream?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 16 ft wide.

Who owns E 64th ST S over Stream?

It is owned by the County Highway Agency.