US Bridges

FM over White Water Creek

Fair

Dubuque County, Iowa · 087011007 · Structure no. 000000000145931

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
590
2021 count
Owner
County
County Highway Agency

About this bridge

FM over White Water Creek is a concrete culvert carrying FM over White Water Creek in Dubuque County, Iowa. It was built in 1988, so it is 37 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 590 vehicles a day, roughly 18% of them trucks, projected to reach 590 by 2043. The structure is 27 ft (8.2 m) long.

CarriesFM
CrossesWhite Water Creek
Location087011007
RouteCounty Highway 0
StateIowa
Coordinates42.3609, -90.9388
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2021)
Projected traffic590 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over White Water Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM over White Water 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 FM over White Water Creek carry?

About 590 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is FM over White Water Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns FM over White Water Creek?

It is owned by the County Highway Agency.