US Bridges

3rd ST over Red Oak Creek

Fair

Montgomery County, Iowa · 000000000 · Structure no. 000000000009800

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,543
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd ST over Red Oak Creek is a prestressed concrete channel beam carrying 3rd ST over Red Oak Creek in Montgomery County, Iowa. It was built in 1965, so it is 60 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.

It carries about 1,543 vehicles a day, projected to reach 1,543 by 2043. The structure is 40 ft (12.2 m) long and 50 ft wide.

Location

Open in Google Maps
Carries3rd ST
CrossesRed Oak Creek
Location000000000
RouteCity Street 0
CountyMontgomery County
StateIowa
Coordinates41.00748, -95.22915
Functional classUrban 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating24 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,543 (2022)
Projected traffic1,543 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd ST over Red Oak Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 3rd ST over Red Oak 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 December 2023.

How much traffic does 3rd ST over Red Oak Creek carry?

About 1,543 vehicles per day (2022 count).

How long is 3rd ST over Red Oak Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns 3rd ST over Red Oak Creek?

It is owned by the City or Municipal Highway Agency.