US Bridges

Local - York over Three Mile Creek

Fair

Cass County, Iowa · 074363503 · Structure no. 000000000097411

Built
1982
43 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

Local - York over Three Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Local - York over Three Mile Creek in Cass County, Iowa. It was built in 1982, so it is 43 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 72 vehicles a day, projected to reach 72 by 2044. The structure is 82 ft (25 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal - York
CrossesThree Mile Creek
Location074363503
RouteCounty Highway 0
StateIowa
Coordinates41.16581, -94.96576
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.5 US tons
Inventory rating18.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic72 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local - York over Three Mile Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Local - York over Three Mile 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 Local - York over Three Mile Creek carry?

About 72 vehicles per day (2022 count).

How long is Local - York over Three Mile Creek?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 26 ft wide.

Who owns Local - York over Three Mile Creek?

It is owned by the County Highway Agency.