US Bridges

New Diggins RD over Hopewell CR

Fair

Washington County, Missouri · S 28 T 37 N R 3 E · Structure no. 14127

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

New Diggins RD over Hopewell CR is a concrete continuous slab carrying New Diggins RD over Hopewell CR in Washington County, Missouri. It was built in 1955, so it is 70 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 54 by 2044. The structure is 57 ft (17.4 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNew Diggins RD
CrossesHopewell CR
LocationS 28 T 37 N R 3 E
RouteCounty Highway 57
CountyWashington County
StateMissouri
Coordinates37.9015, -90.7157
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span20 ft (6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic54 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 New Diggins RD over Hopewell CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is New Diggins RD over Hopewell CR 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 New Diggins RD over Hopewell CR carry?

About 45 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is New Diggins RD over Hopewell CR?

The structure is 57 ft (17.4 m) long with a longest span of 20 ft (6 m) and a deck 20 ft wide.

Who owns New Diggins RD over Hopewell CR?

It is owned by the County Highway Agency.