US Bridges

Hickory Ave over Smith Creek

Good

Washington County, Iowa · 077081708 · Structure no. 000000000337771

Built
2011
14 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
190
2022 count
Owner
County
County Highway Agency

About this bridge

Hickory Ave over Smith Creek is a prestressed concrete stringer/multi-beam or girder carrying Hickory Ave over Smith Creek in Washington County, Iowa. It was built in 2011, so it is 14 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 190 vehicles a day, projected to reach 190 by 2043. The structure is 142 ft (43.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHickory Ave
CrossesSmith Creek
Location077081708
RouteCounty Highway 0
StateIowa
Coordinates41.46973, -91.79716
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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length142 ft (43.3 m)
Longest span52 ft (15.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2022)
Projected traffic190 by 2043
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hickory Ave over Smith Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Hickory Ave over Smith Creek 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 February 2023.

How much traffic does Hickory Ave over Smith Creek carry?

About 190 vehicles per day (2022 count).

How long is Hickory Ave over Smith Creek?

The structure is 142 ft (43.3 m) long with a longest span of 52 ft (15.9 m) and a deck 33 ft wide.

Who owns Hickory Ave over Smith Creek?

It is owned by the County Highway Agency.