US Bridges

Linn Buchan RD over Waltons Creek

Fair

Linn County, Iowa · 086070101 · Structure no. 000000000223141

Built
1990
35 years old
Condition
Fair
inspected May 2022
Type
Slab
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Linn Buchan RD over Waltons Creek is a wood or timber slab carrying Linn Buchan RD over Waltons Creek in Linn County, Iowa. It was built in 1990, so it is 35 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 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 29 vehicles a day, projected to reach 29 by 2042. The structure is 47 ft (14.3 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesLinn Buchan RD
CrossesWaltons Creek
Location086070101
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates42.29644, -91.61645
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum 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 length47 ft (14.3 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2042
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 Linn Buchan RD over Waltons Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Linn Buchan RD over Waltons 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 May 2022.

How much traffic does Linn Buchan RD over Waltons Creek carry?

About 29 vehicles per day (2022 count).

How long is Linn Buchan RD over Waltons Creek?

The structure is 47 ft (14.3 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Linn Buchan RD over Waltons Creek?

It is owned by the County Highway Agency.