Local over Creek

PoorPosted for load

Dubuque County, Iowa · 088023004 · Structure no. 000000000146910

Built: 1928; 97 years old
Condition: Poor; inspected June 2023
Type: Slab; Concrete Continuous
Length: 53 ft; 2 main spans
Daily traffic: 78; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Creek is a concrete continuous slab carrying Local over Creek in Dubuque County, Iowa. It was built in 1928, so it is 97 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 78 vehicles a day, projected to reach 78 by 2043. The structure is 53 ft (16.2 m) long and 20 ft wide.

Location

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CarriesLocal

CrossesCreek

Location088023004

RouteCounty Highway 0

CountyDubuque County

StateIowa

Coordinates42.4113, -91.11404

Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	3 Serious	Loss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection	3 Serious	Loss of section, deterioration, spalling or scour have seriously affected primary structural components.

Last inspectionJune 2023

Inspection intervalevery 12 months

Operating statusPosted for other load-capacity restriction

ScourScour critical; foundations unstable for calculated scour conditions

Structural evaluation3: Basically intolerable, requiring high priority of corrective action

Deck geometry3: Basically intolerable, requiring high priority of corrective action

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment7: Better than present minimum criteria

Operating rating25.6 US tons

Inventory rating18.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadH 10

Structure length53 ft (16.2 m)

Longest span17 ft (5.2 m)

Deck width20 ft (6 m)

Roadway width18 ft (5.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)

Projected traffic78 by 2043

Trucks0%

Lanes on structure1

Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Local over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Local over Creek carry?

About 78 vehicles per day (2022 count).

How long is Local over Creek?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.2 m) and a deck 20 ft wide.

Who owns Local over Creek?

It is owned by the County Highway Agency.