US Bridges

US 52 over Spruce Creek

Fair

Jackson County, Iowa · 3.2 Mi. N of Jct. Ia 62 · Structure no. 000000000030101

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
3 main spans
Daily traffic
3,100
2022 count
Owner
State
State Highway Agency

About this bridge

US 52 over Spruce Creek is a prestressed concrete stringer/multi-beam or girder carrying US 52 over Spruce Creek in Jackson County, Iowa. It was built in 1986, so it is 39 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 3,100 vehicles a day, roughly 9% of them trucks, projected to reach 3,100 by 2042. The structure is 232 ft (70.7 m) long and 43 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 52
CrossesSpruce Creek
Location3.2 Mi. N of Jct. Ia 62
RouteU.S. Route 52
StateIowa
Coordinates42.30011, -90.44656
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating91.6 US tons
Inventory rating54.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span87 ft (26.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic3,100 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 52 over Spruce Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 52 over Spruce 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 March 2023.

How much traffic does US 52 over Spruce Creek carry?

About 3,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 52 over Spruce Creek?

The structure is 232 ft (70.7 m) long with a longest span of 87 ft (26.5 m) and a deck 43 ft wide.

Who owns US 52 over Spruce Creek?

It is owned by the State Highway Agency.