US Bridges

Old RTE 8 over Eaton CR

Fair

St. Francois County, Missouri · S 3 T 36 N R 5 E · Structure no. 19960

Built
1900
125 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old RTE 8 over Eaton CR is a concrete continuous culvert carrying Old RTE 8 over Eaton CR in St. Francois County, Missouri. It was built in 1900, so it is 125 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.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2043. The structure is 37 ft (11.3 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesOld RTE 8
CrossesEaton CR
LocationS 3 T 36 N R 5 E
RouteCity Street 0
CountySt. Francois County
StateMissouri
Coordinates37.86671, -90.59849
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadOther
Structure length37 ft (11.3 m)
Longest span11 ft (3.4 m)
Deck width62 ft (18.8 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old RTE 8 over Eaton CR built?

It was built in 1900, making it 125 years old in 2025.

What condition is Old RTE 8 over Eaton 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 December 2024.

How much traffic does Old RTE 8 over Eaton CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old RTE 8 over Eaton CR?

The structure is 37 ft (11.3 m) long with a longest span of 11 ft (3.4 m) and a deck 62 ft wide.

Who owns Old RTE 8 over Eaton CR?

It is owned by the City or Municipal Highway Agency.