US Bridges

Sycamore ST over Bee Branch

Fair

Dubuque County, Iowa · N of E 15th Street · Structure no. 000000000505065

Built
2011
14 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
2,147
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sycamore ST over Bee Branch is a concrete continuous slab carrying Sycamore ST over Bee Branch in Dubuque County, Iowa. It was built in 2011, so it is 14 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 2,147 vehicles a day, projected to reach 2,147 by 2043. The structure is 95 ft (29 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSycamore ST
CrossesBee Branch
LocationN of E 15th Street
RouteCity Street 0
CountyDubuque County
StateIowa
Coordinates42.50958, -90.6604
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length95 ft (29 m)
Longest span38 ft (11.6 m)
Deck width55 ft (16.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,147 (2022)
Projected traffic2,147 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sycamore ST over Bee Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sycamore ST over Bee Branch 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 August 2023.

How much traffic does Sycamore ST over Bee Branch carry?

About 2,147 vehicles per day (2022 count).

How long is Sycamore ST over Bee Branch?

The structure is 95 ft (29 m) long with a longest span of 38 ft (11.6 m) and a deck 55 ft wide.

Who owns Sycamore ST over Bee Branch?

It is owned by the City or Municipal Highway Agency.