US Bridges

Ws 1st ST over School Creek

Fair

Emmet County, Iowa · 099341504 · Structure no. 000000000004615

Built
1900
125 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
21 ft
1 main span
Daily traffic
908
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ws 1st ST over School Creek is a concrete arch - deck carrying Ws 1st ST over School Creek in Emmet County, Iowa. It was built in 1900, so it is 125 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 908 vehicles a day, projected to reach 908 by 2044. The structure is 21 ft (6.4 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWs 1st ST
CrossesSchool Creek
Location099341504
RouteCity Street 0
StateIowa
Coordinates43.39756, -94.84653
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating15 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic908 (2022)
Projected traffic908 by 2044
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ws 1st ST over School Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Ws 1st ST over School Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Ws 1st ST over School Creek carry?

About 908 vehicles per day (2022 count).

How long is Ws 1st ST over School Creek?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns Ws 1st ST over School Creek?

It is owned by the City or Municipal Highway Agency.