US Bridges

Local 170th St. over Pine Creek

FairPosted for load

Buchanan County, Iowa · 089080801 · Structure no. 000000000082651

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Other
Steel Continuous
Length
89 ft
2 main spans
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Local 170th St. over Pine Creek is a steel continuous other carrying Local 170th St. over Pine Creek in Buchanan County, Iowa. It was built in 2009, so it is 16 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. Its operating status is: posted for other load-capacity restriction.

It carries about 47 vehicles a day, projected to reach 47 by 2043. The structure is 89 ft (27.1 m) long and 19 ft wide.

CarriesLocal 170th St.
CrossesPine Creek
Location089080801
RouteCounty Highway 0
StateIowa
Coordinates42.54118, -91.82236
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating58.2 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckSteel plate
Main spans2
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span44 ft (13.4 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Local 170th St. over Pine Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Local 170th St. over Pine 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 December 2023.

How much traffic does Local 170th St. over Pine Creek carry?

About 47 vehicles per day (2022 count).

How long is Local 170th St. over Pine Creek?

The structure is 89 ft (27.1 m) long with a longest span of 44 ft (13.4 m) and a deck 19 ft wide.

Who owns Local 170th St. over Pine Creek?

It is owned by the County Highway Agency.