US Bridges

E 5th Street over Overflow Iowa River

PoorPosted for load

Tama County, Iowa · 082150303 · Structure no. 000000000364825

Built
1900
125 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
320
2022 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

E 5th Street over Overflow Iowa River is a steel stringer/multi-beam or girder carrying E 5th Street over Overflow Iowa River in Tama County, Iowa. It was built in 1900, so it is 125 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 4 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 320 vehicles a day, roughly 11% of them trucks, projected to reach 320 by 2044. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesE 5th Street
CrossesOverflow Iowa River
Location082150303
RouteCity Street 0
StateIowa
Coordinates41.94931, -92.57786
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.3 US tons
Inventory rating9.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2022)
Projected traffic320 by 2044
Trucks11%
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

OwnerLocal Park, Forest, or Reservation Agency
Maintained byLocal Park, Forest, or Reservation 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 E 5th Street over Overflow Iowa River built?

It was built in 1900, making it 125 years old in 2025.

What condition is E 5th Street over Overflow Iowa River 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 October 2024.

How much traffic does E 5th Street over Overflow Iowa River carry?

About 320 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is E 5th Street over Overflow Iowa River?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns E 5th Street over Overflow Iowa River?

It is owned by the Local Park, Forest, or Reservation Agency.