US Bridges

Jackson St. over Stream

Fair

Buchanan County, Iowa · 000000000 · Structure no. 000000000007051

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
232
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jackson St. over Stream is a concrete continuous slab carrying Jackson St. over Stream in Buchanan County, Iowa. It was built in 1984, so it is 41 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 232 vehicles a day, projected to reach 232 by 2044. The structure is 80 ft (24.4 m) long and 38 ft wide.

CarriesJackson St.
CrossesStream
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.60037, -91.64318
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length80 ft (24.4 m)
Longest span31 ft (9.4 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2022)
Projected traffic232 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Jackson St. over Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is Jackson St. over Stream 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 June 2024.

How much traffic does Jackson St. over Stream carry?

About 232 vehicles per day (2022 count).

How long is Jackson St. over Stream?

The structure is 80 ft (24.4 m) long with a longest span of 31 ft (9.4 m) and a deck 38 ft wide.

Who owns Jackson St. over Stream?

It is owned by the City or Municipal Highway Agency.