US Bridges

County RD E-530 over Br Pomme De Terre

Fair

Polk County, Missouri · S 21 T 32 N R 21 W · Structure no. 23697

Built
1900
125 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD E-530 over Br Pomme De Terre is a concrete culvert carrying County RD E-530 over Br Pomme De Terre in Polk County, Missouri. It was built in 1900, so it is 125 years old, older than the Missouri average of 45.1 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD E-530
CrossesBr Pomme De Terre
LocationS 21 T 32 N R 21 W
RouteCounty Highway 425
CountyPolk County
StateMissouri
Coordinates37.48354, -93.23677
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length39 ft (11.9 m)
Longest span14 ft (4.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD E-530 over Br Pomme De Terre built?

It was built in 1900, making it 125 years old in 2025.

What condition is County RD E-530 over Br Pomme De Terre 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 April 2024.

How much traffic does County RD E-530 over Br Pomme De Terre carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD E-530 over Br Pomme De Terre?

The structure is 39 ft (11.9 m) long with a longest span of 14 ft (4.3 m) and a deck 22 ft wide.

Who owns County RD E-530 over Br Pomme De Terre?

It is owned by the County Highway Agency.