US Bridges

Rowley RD over Trib Wapsipinicon River

Fair

Linn County, Iowa · 085061008 · Structure no. 000000000222101

Built
2002
23 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
48 ft
2 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Rowley RD over Trib Wapsipinicon River is a wood or timber slab carrying Rowley RD over Trib Wapsipinicon River in Linn County, Iowa. It was built in 2002, so it is 23 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.

It carries about 10 vehicles a day, projected to reach 10 by 2044. The structure is 48 ft (14.6 m) long and 25 ft wide.

CarriesRowley RD
CrossesTrib Wapsipinicon River
Location085061008
RouteCounty Highway 0
StateIowa
Coordinates42.1848, -91.5353
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating86.3 US tons
Inventory rating63.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 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

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 Rowley RD over Trib Wapsipinicon River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Rowley RD over Trib Wapsipinicon River 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 September 2024.

How much traffic does Rowley RD over Trib Wapsipinicon River carry?

About 10 vehicles per day (2022 count).

How long is Rowley RD over Trib Wapsipinicon River?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Rowley RD over Trib Wapsipinicon River?

It is owned by the County Highway Agency.