US Bridges

Elm Ave over Creek

Good

Washington County, Iowa · 074092306 · Structure no. 000000000364955

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

Elm Ave over Creek is a concrete continuous culvert carrying Elm Ave over Creek in Washington County, Iowa. It was built in 2005, so it is 20 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 20% of them trucks, projected to reach 120 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesElm Ave
CrossesCreek
Location074092306
RouteCounty Highway 0
StateIowa
Coordinates41.19173, -91.86864
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elm Ave over Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Elm Ave over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Elm Ave over Creek carry?

About 120 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Elm Ave over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Elm Ave over Creek?

It is owned by the County Highway Agency.