US Bridges

South Bend RD over Unknown Br

Fair

Pulaski County, Missouri · S 20 T 35 N R 13 W · Structure no. 18370

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
70
2024 count
Owner
County
County Highway Agency

About this bridge

South Bend RD over Unknown Br is a steel stringer/multi-beam or girder carrying South Bend RD over Unknown Br in Pulaski County, Missouri. It was built in 1996, so it is 29 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 70 vehicles a day, roughly 5% of them trucks, projected to reach 91 by 2044. The structure is 42 ft (12.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSouth Bend RD
CrossesUnknown Br
LocationS 20 T 35 N R 13 W
RouteCounty Highway 183
Coordinates37.74408, -92.38089
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic91 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Bend RD over Unknown Br built?

It was built in 1996, making it 29 years old in 2025.

What condition is South Bend RD over Unknown 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 January 2024.

How much traffic does South Bend RD over Unknown Br carry?

About 70 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is South Bend RD over Unknown Br?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 18 ft wide.

Who owns South Bend RD over Unknown Br?

It is owned by the County Highway Agency.