US Bridges

49th Street over Creek

Good

Jackson County, Iowa · 0.3 MI East of 1st Ave · Structure no. 000000000191951

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
207
2022 count
Owner
County
County Highway Agency

About this bridge

49th Street over Creek is a concrete continuous slab carrying 49th Street over Creek in Jackson County, Iowa. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 207 vehicles a day, projected to reach 207 by 2043. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries49th Street
CrossesCreek
Location0.3 MI East of 1st Ave
RouteCounty Highway 0
CountyJackson County
StateIowa
Coordinates42.08396, -90.8918
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span37 ft (11.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207 (2022)
Projected traffic207 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$510 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 49th Street over Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 49th Street over Creek 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 October 2023.

How much traffic does 49th Street over Creek carry?

About 207 vehicles per day (2022 count).

How long is 49th Street over Creek?

The structure is 100 ft (30.5 m) long with a longest span of 37 ft (11.4 m) and a deck 33 ft wide.

Who owns 49th Street over Creek?

It is owned by the County Highway Agency.