US Bridges

US 169 over Middle Fork Grand River

Good

Ringgold County, Iowa · 5.3 Mi. S of S Jct. Ia 2 · Structure no. 000000000046261

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Middle Fork Grand River is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Middle Fork Grand River in Ringgold County, Iowa. It was built in 2021, so it is 4 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 500 vehicles a day, roughly 17% of them trucks, projected to reach 500 by 2043. The structure is 138 ft (42.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 169
CrossesMiddle Fork Grand River
Location5.3 Mi. S of S Jct. Ia 2
RouteU.S. Route 169
StateIowa
Coordinates40.63725, -94.28098
Functional classRural Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 18 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span135 ft (41.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic500 by 2043
Trucks17%
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

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 US 169 over Middle Fork Grand River built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 169 over Middle Fork Grand River 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 August 2023.

How much traffic does US 169 over Middle Fork Grand River carry?

About 500 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US 169 over Middle Fork Grand River?

The structure is 138 ft (42.1 m) long with a longest span of 135 ft (41.1 m) and a deck 43 ft wide.

Who owns US 169 over Middle Fork Grand River?

It is owned by the State Highway Agency.