US Bridges

S Chantilly LN over Bobs CR

Fair

Lincoln County, Missouri · S 30 T 49 N R 2 E · Structure no. 29659

Built
2003
22 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
2 main spans
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

S Chantilly LN over Bobs CR is a steel stringer/multi-beam or girder carrying S Chantilly LN over Bobs CR in Lincoln County, Missouri. It was built in 2003, so it is 22 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 10% of them trucks, projected to reach 112 by 2043. The structure is 174 ft (53 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesS Chantilly LN
CrossesBobs CR
LocationS 30 T 49 N R 2 E
RouteCounty Highway 238
CountyLincoln County
StateMissouri
Coordinates38.97717, -90.84228
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating85.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length174 ft (53 m)
Longest span90 ft (27.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic112 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 S Chantilly LN over Bobs CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is S Chantilly LN over Bobs 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 S Chantilly LN over Bobs CR carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S Chantilly LN over Bobs CR?

The structure is 174 ft (53 m) long with a longest span of 90 ft (27.4 m) and a deck 25 ft wide.

Who owns S Chantilly LN over Bobs CR?

It is owned by the County Highway Agency.