US Bridges

Sycamore ST over Stream

Good

Dallas County, Iowa · 080260101 · Structure no. 000000000505245

Built
2007
18 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
182
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sycamore ST over Stream is a concrete continuous culvert carrying Sycamore ST over Stream in Dallas County, Iowa. It was built in 2007, so it is 18 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 182 vehicles a day, projected to reach 182 by 2043. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSycamore ST
CrossesStream
Location080260101
RouteCity Street 0
CountyDallas County
StateIowa
Coordinates41.76636, -93.82437
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2022)
Projected traffic182 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore ST over Stream built?

It was built in 2007, making it 18 years old in 2025.

What condition is Sycamore ST over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does Sycamore ST over Stream carry?

About 182 vehicles per day (2022 count).

How long is Sycamore ST over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Sycamore ST over Stream?

It is owned by the City or Municipal Highway Agency.