US Bridges

15th ST SW over Cheslea Creek

Fair

Cerro Gordo County, Iowa · 000000000 · Structure no. 000000000502650

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
2,567
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

15th ST SW over Cheslea Creek is a prestressed concrete stringer/multi-beam or girder carrying 15th ST SW over Cheslea Creek in Cerro Gordo County, Iowa. It was built in 1980, so it is 45 years old, younger 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 6 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 2,567 vehicles a day, projected to reach 2,567 by 2044. The structure is 71 ft (21.6 m) long and 42 ft wide.

Carries15th ST SW
CrossesCheslea Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates43.13751, -93.22318
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,567 (2022)
Projected traffic2,567 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 15th ST SW over Cheslea Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is 15th ST SW over Cheslea 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 January 2024.

How much traffic does 15th ST SW over Cheslea Creek carry?

About 2,567 vehicles per day (2022 count).

How long is 15th ST SW over Cheslea Creek?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns 15th ST SW over Cheslea Creek?

It is owned by the City or Municipal Highway Agency.