Main ST over Deep Creek

Fair

Jackson County, Iowa · 000000000 · Structure no. 000000000011021

Built: 1990; 35 years old
Condition: Fair; inspected March 2023
Type: Slab; Concrete Continuous
Length: 200 ft; 5 main spans
Daily traffic: 130; 2021 count
Owner: County; County Highway Agency

About this bridge

Main ST over Deep Creek is a concrete continuous slab carrying Main ST over Deep Creek in Jackson County, Iowa. It was built in 1990, so it is 35 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 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 130 vehicles a day, projected to reach 130 by 2043. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps

CarriesMain ST

CrossesDeep Creek

Location000000000

RouteCity Street 0

CountyJackson County

StateIowa

Coordinates42.07264, -90.42494

Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionMarch 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating59.3 US tons

Inventory rating45.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans5

Design loadHS 20

Structure length200 ft (61 m)

Longest span44 ft (13.4 m)

Deck width27 ft (8.3 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)

Projected traffic130 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed5 mi (8 km)

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 proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Deep Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Main ST over Deep 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 March 2023.

How much traffic does Main ST over Deep Creek carry?

About 130 vehicles per day (2021 count).

How long is Main ST over Deep Creek?

The structure is 200 ft (61 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns Main ST over Deep Creek?

It is owned by the County Highway Agency.