US Bridges

Loc Valley Ave over Silver CR

Good

Howard County, Iowa · 099111502 · Structure no. 000000000182861

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
118
2022 count
Owner
County
County Highway Agency

About this bridge

Loc Valley Ave over Silver CR is a prestressed concrete tee beam carrying Loc Valley Ave over Silver CR in Howard County, Iowa. It was built in 2001, so it is 24 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 118 vehicles a day, projected to reach 118 by 2044. The structure is 52 ft (15.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLoc Valley Ave
CrossesSilver CR
Location099111502
RouteCounty Highway 0
StateIowa
Coordinates43.39228, -92.14012
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2022)
Projected traffic118 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loc Valley Ave over Silver CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Loc Valley Ave over Silver CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Loc Valley Ave over Silver CR carry?

About 118 vehicles per day (2022 count).

How long is Loc Valley Ave over Silver CR?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Loc Valley Ave over Silver CR?

It is owned by the County Highway Agency.