US Bridges

State ST over Stream

Good

Dallas County, Iowa · 080261202 · Structure no. 000000000505240

Built
2003
22 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,379
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

State ST over Stream is a concrete continuous culvert carrying State ST over Stream in Dallas County, Iowa. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,379 vehicles a day, projected to reach 1,379 by 2043. The structure is 25 ft (7.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState ST
CrossesStream
Location080261202
RouteCity Street 0
StateIowa
Coordinates41.76109, -93.81939
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,379 (2022)
Projected traffic1,379 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 State ST over Stream built?

It was built in 2003, making it 22 years old in 2025.

What condition is State 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 State ST over Stream carry?

About 1,379 vehicles per day (2022 count).

How long is State ST over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns State ST over Stream?

It is owned by the City or Municipal Highway Agency.