US Bridges

US 69 over Dickersons Branch

Fair

Decatur County, Iowa · 1.1 Mi. S of SR J-66 · Structure no. 000000000022610

Built
1928
97 years old, rebuilt 1972
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
1,130
2022 count
Owner
State
State Highway Agency

About this bridge

US 69 over Dickersons Branch is a prestressed concrete stringer/multi-beam or girder carrying US 69 over Dickersons Branch in Decatur County, Iowa. It was built in 1928 and reconstructed in 1972, so it is 97 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 6 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 1,130 vehicles a day, roughly 10% of them trucks, projected to reach 1,130 by 2043. The structure is 53 ft (16.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 69
CrossesDickersons Branch
Location1.1 Mi. S of SR J-66
RouteU.S. Route 69
StateIowa
Coordinates40.62774, -93.83507
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating47.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2022)
Projected traffic1,130 by 2043
Trucks10%
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

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 Dickersons Branch built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1972.

What condition is US 69 over Dickersons Branch 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 August 2023.

How much traffic does US 69 over Dickersons Branch carry?

About 1,130 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 69 over Dickersons Branch?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 48 ft wide.

Who owns US 69 over Dickersons Branch?

It is owned by the State Highway Agency.