US Bridges

Grandview Trl over N Clanton Creek

PoorClosed to traffic

Madison County, Iowa · 074283505 · Structure no. 000000000232200

Built
1895
130 years old
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
63 ft
1 main span
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

Grandview Trl over N Clanton Creek is a steel truss - thru carrying Grandview Trl over N Clanton Creek in Madison County, Iowa. It was built in 1895, so it is 130 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 63 ft (19.2 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrandview Trl
CrossesN Clanton Creek
Location074283505
RouteCounty Highway 0
StateIowa
Coordinates41.22896, -94.11868
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 inspectionAugust 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic5 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$728,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grandview Trl over N Clanton Creek built?

It was built in 1895, making it 130 years old in 2025.

What condition is Grandview Trl over N Clanton Creek 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 August 2023.

How much traffic does Grandview Trl over N Clanton Creek carry?

About 5 vehicles per day (2022 count).

How long is Grandview Trl over N Clanton Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 14 ft wide.

Who owns Grandview Trl over N Clanton Creek?

It is owned by the County Highway Agency.