US Bridges

1st ST over Long Creek

Good

Washington County, Iowa · 075062100 · Structure no. 000000000000091

Built
2013
12 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete Continuous
Length
141 ft
3 main spans
Daily traffic
58
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st ST over Long Creek is a concrete continuous slab carrying 1st ST over Long Creek in Washington County, Iowa. It was built in 2013, so it is 12 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 58 vehicles a day, projected to reach 58 by 2043. The structure is 141 ft (43 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1st ST
CrossesLong Creek
Location075062100
RouteCity Street 0
StateIowa
Coordinates41.28951, -91.54916
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 inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length141 ft (43 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic58 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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st ST over Long Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 1st ST over Long 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 March 2022.

How much traffic does 1st ST over Long Creek carry?

About 58 vehicles per day (2022 count).

How long is 1st ST over Long Creek?

The structure is 141 ft (43 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns 1st ST over Long Creek?

It is owned by the City or Municipal Highway Agency.