US Bridges

Ia 27 SB over Sugar Creek

Good

Lee County, Iowa · 4.7 Mi. S of Ia 2 · Structure no. 000000000607930

Built
2002
23 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
3,650
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 27 SB over Sugar Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 27 SB over Sugar Creek 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 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 3,650 vehicles a day, roughly 32% of them trucks, projected to reach 3,650 by 2043. The structure is 174 ft (52.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 27 SB
CrossesSugar Creek
Location4.7 Mi. S of Ia 2
RouteState Highway 27
StateIowa
Coordinates40.57086, -91.56545
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.1 US tons
Inventory rating44.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (52.9 m)
Longest span67 ft (20.5 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2023)
Projected traffic3,650 by 2043
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 SB over Sugar Creek built?

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

What condition is Ia 27 SB over Sugar 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 September 2023.

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

About 3,650 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Ia 27 SB over Sugar Creek?

The structure is 174 ft (52.9 m) long with a longest span of 67 ft (20.5 m) and a deck 43 ft wide.

Who owns Ia 27 SB over Sugar Creek?

It is owned by the State Highway Agency.