US Bridges

CO RD G36 over US 218

Fair

Washington County, Iowa · At the Jct. of SR G36 · Structure no. 000000000609910

Built
2008
17 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
2,010
2022 count
Owner
State
State Highway Agency

About this bridge

CO RD G36 over US 218 is a prestressed concrete stringer/multi-beam or girder carrying CO RD G36 over US 218 in Washington County, Iowa. It was built in 2008, so it is 17 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 6 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 2,010 vehicles a day, roughly 10% of them trucks, projected to reach 2,010 by 2042. The structure is 240 ft (73.2 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCO RD G36
CrossesUS 218
LocationAt the Jct. of SR G36
RouteCounty Highway 0
CountyWashington County
StateIowa
Coordinates41.33706, -91.55254
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span121 ft (36.9 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,010 (2022)
Projected traffic2,010 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO RD G36 over US 218 built?

It was built in 2008, making it 17 years old in 2025.

What condition is CO RD G36 over US 218 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 November 2024.

How much traffic does CO RD G36 over US 218 carry?

About 2,010 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CO RD G36 over US 218?

The structure is 240 ft (73.2 m) long with a longest span of 121 ft (36.9 m) and a deck 59 ft wide.

Who owns CO RD G36 over US 218?

It is owned by the State Highway Agency.