US Bridges

US 69 over Little River

Fair

Decatur County, Iowa · 3.8 Mi. N of SR J66 · Structure no. 000000000022630

Built
1953
72 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
3 main spans
Daily traffic
820
2022 count
Owner
State
State Highway Agency

About this bridge

US 69 over Little River is a steel continuous stringer/multi-beam or girder carrying US 69 over Little River in Decatur County, Iowa. It was built in 1953, so it is 72 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 820 vehicles a day, roughly 12% of them trucks, projected to reach 820 by 2044. The structure is 324 ft (98.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 69
CrossesLittle River
Location3.8 Mi. N of SR J66
RouteU.S. Route 69
StateIowa
Coordinates40.6816, -93.78112
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length324 ft (98.8 m)
Longest span125 ft (38.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)
Projected traffic820 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 69 over Little River built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 69 over Little River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does US 69 over Little River carry?

About 820 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 69 over Little River?

The structure is 324 ft (98.8 m) long with a longest span of 125 ft (38.1 m) and a deck 34 ft wide.

Who owns US 69 over Little River?

It is owned by the State Highway Agency.