US Bridges

Woodland Ave over Watson Creek

PoorPosted for load

Howard County, Iowa · 099143002 · Structure no. 000000000009900

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
2 main spans
Daily traffic
130
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Woodland Ave over Watson Creek is a steel stringer/multi-beam or girder carrying Woodland Ave over Watson Creek in Howard County, Iowa. It was built in 1930, so it is 95 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 3 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: posted for load restriction.

It carries about 130 vehicles a day, roughly 3% of them trucks, projected to reach 130 by 2044. The structure is 68 ft (20.7 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWoodland Ave
CrossesWatson Creek
Location099143002
RouteCity Street 0
StateIowa
Coordinates43.36471, -92.55419
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating4 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic130 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for 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 Woodland Ave over Watson Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Woodland Ave over Watson 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 April 2024.

How much traffic does Woodland Ave over Watson Creek carry?

About 130 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Woodland Ave over Watson Creek?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 23 ft wide.

Who owns Woodland Ave over Watson Creek?

It is owned by the City or Municipal Highway Agency.