US Bridges

E Spring ST over Small Stream

Poor

Chickasaw County, Iowa · 095120700 · Structure no. 000000000008580

Built
1920
105 years old, rebuilt 1973
Condition
Poor
inspected March 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
349
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Spring ST over Small Stream is a concrete slab carrying E Spring ST over Small Stream in Chickasaw County, Iowa. It was built in 1920 and reconstructed in 1973, so it is 105 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 349 vehicles a day, projected to reach 349 by 2043. The structure is 23 ft (7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Spring ST
CrossesSmall Stream
Location095120700
RouteCity Street 0
StateIowa
Coordinates43.05844, -92.3092
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2022)
Projected traffic349 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Spring ST over Small Stream built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1973.

What condition is E Spring ST over Small Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does E Spring ST over Small Stream carry?

About 349 vehicles per day (2022 count).

How long is E Spring ST over Small Stream?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns E Spring ST over Small Stream?

It is owned by the City or Municipal Highway Agency.