US Bridges

Hemlock RD over Br of Durington Br

Fair

Dallas County, Missouri · S 6 T 34 N R 19 W · Structure no. 33000

Built
2009
16 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
23 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Hemlock RD over Br of Durington Br is a concrete slab carrying Hemlock RD over Br of Durington Br in Dallas County, Missouri. It was built in 2009, so it is 16 years old, younger 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 42 by 2043. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHemlock RD
CrossesBr of Durington Br
LocationS 6 T 34 N R 19 W
RouteCounty Highway 0
Coordinates37.71103, -93.05628
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic42 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hemlock RD over Br of Durington Br built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hemlock RD over Br of Durington Br 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 Hemlock RD over Br of Durington Br carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Hemlock RD over Br of Durington Br?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 25 ft wide.

Who owns Hemlock RD over Br of Durington Br?

It is owned by the County Highway Agency.