US Bridges

Ia 27 NB over US 218

Fair

Lee County, Iowa · At Jct. U.S. 218 · Structure no. 000000000607940

Built
2002
23 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
3 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 27 NB over US 218 is a prestressed concrete stringer/multi-beam or girder carrying Ia 27 NB over US 218 in Lee County, Iowa. It was built in 2002, so it is 23 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 2,800 vehicles a day, roughly 36% of them trucks, projected to reach 2,800 by 2043. The structure is 228 ft (69.5 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesIa 27 NB
CrossesUS 218
LocationAt Jct. U.S. 218
RouteState Highway 27
CountyLee County
StateIowa
Coordinates40.61093, -91.56003
Functional classRural Principal Arterial - Other

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span112 ft (34.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic2,800 by 2043
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Ia 27 NB over US 218 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ia 27 NB 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 December 2023.

How much traffic does Ia 27 NB over US 218 carry?

About 2,800 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is Ia 27 NB over US 218?

The structure is 228 ft (69.5 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.

Who owns Ia 27 NB over US 218?

It is owned by the State Highway Agency.