US Bridges

Ia 5 over Drainage Ditch

Fair

Appanoose County, Iowa · 0.4 Mi. N Jct. SR T-30 · Structure no. 000000000013910

Built
1948
77 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
3,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 5 over Drainage Ditch is a concrete continuous slab carrying Ia 5 over Drainage Ditch in Appanoose County, Iowa. It was built in 1948, so it is 77 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 3,000 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2044. The structure is 31 ft (9.4 m) long and 53 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

Location

Open in Google Maps
CarriesIa 5
CrossesDrainage Ditch
Location0.4 Mi. N Jct. SR T-30
RouteState Highway 5
CountyAppanoose County
StateIowa
Coordinates40.65934, -92.86749
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width53 ft (16.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic3,000 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 Ia 5 over Drainage Ditch built?

It was built in 1948, making it 77 years old in 2025.

What condition is Ia 5 over Drainage Ditch 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 March 2024.

How much traffic does Ia 5 over Drainage Ditch carry?

About 3,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 5 over Drainage Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 53 ft wide.

Who owns Ia 5 over Drainage Ditch?

It is owned by the State Highway Agency.