US Bridges

Buchanan Ave over Boone River

PoorClosed to traffic

Wright County, Iowa · 093262004 · Structure no. 000000000359190

Built
1912
113 years old
Condition
Poor
inspected May 2022
Type
Truss - Thru
Steel
Length
128 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Buchanan Ave over Boone River is a steel truss - thru carrying Buchanan Ave over Boone River in Wright County, Iowa. It was built in 1912, so it is 113 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 128 ft (39 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBuchanan Ave
CrossesBoone River
Location093262004
RouteCounty Highway 0
CountyWright County
StateIowa
Coordinates42.85718, -93.94623
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
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 statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length128 ft (39 m)
Longest span96 ft (29.3 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Buchanan Ave over Boone River built?

It was built in 1912, making it 113 years old in 2025.

What condition is Buchanan Ave over Boone River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2022.

How much traffic does Buchanan Ave over Boone River carry?

About 35 vehicles per day (2022 count).

How long is Buchanan Ave over Boone River?

The structure is 128 ft (39 m) long with a longest span of 96 ft (29.3 m) and a deck 16 ft wide.

Who owns Buchanan Ave over Boone River?

It is owned by the County Highway Agency.