US Bridges

Forestville RD over Stream

FairPosted for load

Clayton County, Iowa · 091063504 · Structure no. 000000000118550

Built
1949
76 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
560
2022 count
Owner
County
County Highway Agency

About this bridge

Forestville RD over Stream is a steel stringer/multi-beam or girder carrying Forestville RD over Stream in Clayton County, Iowa. It was built in 1949, so it is 76 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 560 vehicles a day, projected to reach 560 by 2043. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesForestville RD
CrossesStream
Location091063504
RouteCounty Highway 0
CountyClayton County
StateIowa
Coordinates42.64551, -91.52752
Functional classRural Major 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span61 ft (18.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2022)
Projected traffic560 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forestville RD over Stream built?

It was built in 1949, making it 76 years old in 2025.

What condition is Forestville RD over Stream 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 November 2022.

How much traffic does Forestville RD over Stream carry?

About 560 vehicles per day (2022 count).

How long is Forestville RD over Stream?

The structure is 61 ft (18.6 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.

Who owns Forestville RD over Stream?

It is owned by the County Highway Agency.