US Bridges

Monroe ST NE over Creek

Fair

Dubuque County, Iowa · 000000000 · Structure no. 000000000146030

Built
1929
96 years old, rebuilt 1992
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
21 ft
1 main span
Daily traffic
424
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monroe ST NE over Creek is a prestressed concrete tee beam carrying Monroe ST NE over Creek in Dubuque County, Iowa. It was built in 1929 and reconstructed in 1992, so it is 96 years old, older 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 5 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 424 vehicles a day, projected to reach 424 by 2043. The structure is 21 ft (6.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMonroe ST NE
CrossesCreek
Location000000000
RouteCity Street 0
CountyDubuque County
StateIowa
Coordinates42.3059, -91.00502
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic424 (2022)
Projected traffic424 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroe ST NE over Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1992.

What condition is Monroe ST NE 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 July 2023.

How much traffic does Monroe ST NE over Creek carry?

About 424 vehicles per day (2022 count).

How long is Monroe ST NE over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns Monroe ST NE over Creek?

It is owned by the City or Municipal Highway Agency.