US Bridges

Ia 27 NB over Sugar Creek

Fair

Lee County, Iowa · 4.7 Miles South of Ia 2 · Structure no. 000000000218521

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
3 main spans
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 27 NB over Sugar Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 27 NB over Sugar Creek in Lee County, Iowa. It was built in 1989, so it is 36 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 3,600 vehicles a day, roughly 32% of them trucks, projected to reach 3,600 by 2043. The structure is 175 ft (53.3 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesIa 27 NB
CrossesSugar Creek
Location4.7 Miles South of Ia 2
RouteState Highway 27
CountyLee County
StateIowa
Coordinates40.57036, -91.56513
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span69 ft (21 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic3,600 by 2043
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 27 NB over Sugar Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ia 27 NB over Sugar Creek 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 September 2023.

How much traffic does Ia 27 NB over Sugar Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is Ia 27 NB over Sugar Creek?

The structure is 175 ft (53.3 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns Ia 27 NB over Sugar Creek?

It is owned by the State Highway Agency.