US Bridges

Hidden Vally DR over Elk Run

Fair

Hardin County, Iowa · 000000000 · Structure no. 000000000503480

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
66
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hidden Vally DR over Elk Run is a concrete continuous slab carrying Hidden Vally DR over Elk Run in Hardin County, Iowa. It was built in 1977, so it is 48 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 66 vehicles a day, projected to reach 66 by 2044. The structure is 93 ft (28.3 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesHidden Vally DR
CrossesElk Run
Location000000000
RouteCity Street 0
CountyHardin County
StateIowa
Coordinates42.53058, -93.27638
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.3 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic66 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hidden Vally DR over Elk Run built?

It was built in 1977, making it 48 years old in 2025.

What condition is Hidden Vally DR over Elk Run 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 Hidden Vally DR over Elk Run carry?

About 66 vehicles per day (2022 count).

How long is Hidden Vally DR over Elk Run?

The structure is 93 ft (28.3 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns Hidden Vally DR over Elk Run?

It is owned by the City or Municipal Highway Agency.