US Bridges

County RD 2120 over Dry Hollow

FairPosted for load

Lawrence County, Missouri · S 26 T 28 N R 28 W · Structure no. 22805

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 2120 over Dry Hollow is a steel continuous stringer/multi-beam or girder carrying County RD 2120 over Dry Hollow in Lawrence County, Missouri. It was built in 1950, so it is 75 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2043. The structure is 40 ft (12.2 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 2120
CrossesDry Hollow
LocationS 26 T 28 N R 28 W
RouteCounty Highway 375
Coordinates37.10384, -93.95567
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.9 US tons
Inventory rating9.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$344,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 2120 over Dry Hollow built?

It was built in 1950, making it 75 years old in 2025.

What condition is County RD 2120 over Dry Hollow 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 2023.

How much traffic does County RD 2120 over Dry Hollow carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 2120 over Dry Hollow?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 13 ft wide.

Who owns County RD 2120 over Dry Hollow?

It is owned by the County Highway Agency.