US Bridges

Kemp RD over Creek

Fair

Dubuque County, Iowa · 088E30706 · Structure no. 000000000146541

Built
2000
25 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
520
2021 count
Owner
County
County Highway Agency

About this bridge

Kemp RD over Creek is a steel culvert carrying Kemp RD over Creek in Dubuque County, Iowa. It was built in 2000, so it is 25 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 520 vehicles a day, roughly 4% of them trucks, projected to reach 520 by 2043. The structure is 27 ft (8.2 m) long.

CarriesKemp RD
CrossesCreek
Location088E30706
RouteCounty Highway 0
StateIowa
Coordinates42.44187, -90.65132
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2021)
Projected traffic520 by 2043
Trucks4%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kemp RD over Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Kemp RD over 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 April 2023.

How much traffic does Kemp RD over Creek carry?

About 520 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Kemp RD over Creek?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns Kemp RD over Creek?

It is owned by the County Highway Agency.