US Bridges

Broad Street over Stream

Good

Tama County, Iowa · 083162105 · Structure no. 000000000503151

Built
2006
19 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
196
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broad Street over Stream is a concrete continuous culvert carrying Broad Street over Stream in Tama County, Iowa. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 196 vehicles a day, projected to reach 196 by 2043. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBroad Street
CrossesStream
Location083162105
RouteCity Street 0
StateIowa
Coordinates41.97969, -92.71796
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2022)
Projected traffic196 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 Broad Street over Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is Broad Street 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 September 2022.

How much traffic does Broad Street over Stream carry?

About 196 vehicles per day (2022 count).

How long is Broad Street over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 46 ft wide.

Who owns Broad Street over Stream?

It is owned by the City or Municipal Highway Agency.