US Bridges

Mildred Ave over Wildcat Glen

Fair

Hardin County, Iowa · 000000000 · Structure no. 000000000006600

Built
1933
92 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
70 ft
1 main span
Daily traffic
253
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mildred Ave over Wildcat Glen is a concrete arch - deck carrying Mildred Ave over Wildcat Glen in Hardin County, Iowa. It was built in 1933, so it is 92 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 253 vehicles a day, projected to reach 253 by 2044. The structure is 70 ft (21.3 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesMildred Ave
CrossesWildcat Glen
Location000000000
RouteCity Street 0
CountyHardin County
StateIowa
Coordinates42.52291, -93.27308
Functional classUrban 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.
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 inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span52 ft (15.9 m)
Deck width29 ft (8.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic253 (2022)
Projected traffic253 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$245,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mildred Ave over Wildcat Glen built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mildred Ave over Wildcat Glen 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 May 2024.

How much traffic does Mildred Ave over Wildcat Glen carry?

About 253 vehicles per day (2022 count).

How long is Mildred Ave over Wildcat Glen?

The structure is 70 ft (21.3 m) long with a longest span of 52 ft (15.9 m) and a deck 29 ft wide.

Who owns Mildred Ave over Wildcat Glen?

It is owned by the City or Municipal Highway Agency.