US Bridges

Wapsie ST over Small Stream

Good

Bremer County, Iowa · 093112600 · Structure no. 000000000502241

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
142
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wapsie ST over Small Stream is a concrete continuous culvert carrying Wapsie ST over Small Stream in Bremer County, Iowa. It was built in 1997, so it is 28 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 142 vehicles a day, projected to reach 142 by 2043. The structure is 52 ft (15.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWapsie ST
CrossesSmall Stream
Location093112600
RouteCity Street 0
StateIowa
Coordinates42.84652, -92.1044
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans4
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2021)
Projected traffic142 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 Wapsie ST over Small Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is Wapsie ST over Small 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 April 2023.

How much traffic does Wapsie ST over Small Stream carry?

About 142 vehicles per day (2021 count).

How long is Wapsie ST over Small Stream?

The structure is 52 ft (15.9 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Wapsie ST over Small Stream?

It is owned by the City or Municipal Highway Agency.