US Bridges

27th ST over Dry Creek

Good

Lee County, Iowa · 067040500 · Structure no. 000000000005341

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
76 ft
2 main spans
Daily traffic
2,551
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

27th ST over Dry Creek is a concrete continuous slab carrying 27th ST over Dry Creek in Lee 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,551 vehicles a day, projected to reach 2,551 by 2043. The structure is 76 ft (23.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries27th ST
CrossesDry Creek
Location067040500
RouteCity Street 0
CountyLee County
StateIowa
Coordinates40.629, -91.34461
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span37 ft (11.4 m)
Deck width45 ft (13.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,551 (2022)
Projected traffic2,551 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 27th ST over Dry Creek built?

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

What condition is 27th ST over Dry 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 September 2023.

How much traffic does 27th ST over Dry Creek carry?

About 2,551 vehicles per day (2022 count).

How long is 27th ST over Dry Creek?

The structure is 76 ft (23.2 m) long with a longest span of 37 ft (11.4 m) and a deck 45 ft wide.

Who owns 27th ST over Dry Creek?

It is owned by the City or Municipal Highway Agency.