US Bridges

S Ethlyn RD 845 over Bobs CR

Fair

Lincoln County, Missouri · S 29 T 49 N R 2 E · Structure no. 20003

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

S Ethlyn RD 845 over Bobs CR is a prestressed concrete continuous tee beam carrying S Ethlyn RD 845 over Bobs CR in Lincoln County, Missouri. It was built in 1984, so it is 41 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 300 vehicles a day, roughly 20% of them trucks, projected to reach 480 by 2043. The structure is 151 ft (46 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesS Ethlyn RD 845
CrossesBobs CR
LocationS 29 T 49 N R 2 E
RouteCounty Highway 243
CountyLincoln County
StateMissouri
Coordinates38.97597, -90.82097
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length151 ft (46 m)
Longest span51 ft (15.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic480 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ethlyn RD 845 over Bobs CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is S Ethlyn RD 845 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 Ethlyn RD 845 over Bobs CR carry?

About 300 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is S Ethlyn RD 845 over Bobs CR?

The structure is 151 ft (46 m) long with a longest span of 51 ft (15.5 m) and a deck 27 ft wide.

Who owns S Ethlyn RD 845 over Bobs CR?

It is owned by the County Highway Agency.