US Bridges

E 16th ST over Bee Branch

Good

Dubuque County, Iowa · W of Sycamore ST · Structure no. 000000000505070

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
4,265
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 16th ST over Bee Branch is a concrete continuous slab carrying E 16th 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,265 vehicles a day, projected to reach 4,265 by 2043. The structure is 105 ft (32 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE 16th ST
CrossesBee Branch
LocationW of Sycamore ST
RouteCity Street 0
CountyDubuque County
StateIowa
Coordinates42.50963, -90.66312
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 length105 ft (32 m)
Longest span43 ft (13.1 m)
Deck width61 ft (18.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,265 (2022)
Projected traffic4,265 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 E 16th ST over Bee Branch built?

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

What condition is E 16th ST over Bee Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does E 16th ST over Bee Branch carry?

About 4,265 vehicles per day (2022 count).

How long is E 16th ST over Bee Branch?

The structure is 105 ft (32 m) long with a longest span of 43 ft (13.1 m) and a deck 61 ft wide.

Who owns E 16th ST over Bee Branch?

It is owned by the City or Municipal Highway Agency.