US Bridges

Ia 92 over North Fork Long Creek

Good

Washington County, Iowa · 0.7 Mi. W of Jct. US 218 · Structure no. 000000000051841

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 92 over North Fork Long Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 92 over North Fork Long Creek in Washington County, Iowa. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,700 vehicles a day, roughly 10% of them trucks, projected to reach 3,700 by 2043. The structure is 103 ft (31.4 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIa 92
CrossesNorth Fork Long Creek
Location0.7 Mi. W of Jct. US 218
RouteState Highway 92
StateIowa
Coordinates41.28834, -91.54708
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating49.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic3,700 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 92 over North Fork Long Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ia 92 over North Fork 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 2024.

How much traffic does Ia 92 over North Fork Long Creek carry?

About 3,700 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ia 92 over North Fork Long Creek?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns Ia 92 over North Fork Long Creek?

It is owned by the State Highway Agency.