US Bridges

Old State RD over Br of ST Johns CR

Fair

Franklin County, Missouri · S 29 T 43 N R 2 W · Structure no. 17134

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Slab
Wood or Timber
Length
56 ft
3 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Old State RD over Br of ST Johns CR is a wood or timber slab carrying Old State RD over Br of ST Johns CR in Franklin County, Missouri. It was built in 1990, so it is 35 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 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 8% of them trucks, projected to reach 360 by 2043. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld State RD
CrossesBr of ST Johns CR
LocationS 29 T 43 N R 2 W
RouteCounty Highway 143
CountyFranklin County
StateMissouri
Coordinates38.44785, -91.16593
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic360 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Old State RD over Br of ST Johns CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Old State RD over Br of ST Johns 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 March 2023.

How much traffic does Old State RD over Br of ST Johns CR carry?

About 200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Old State RD over Br of ST Johns CR?

The structure is 56 ft (17.1 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Old State RD over Br of ST Johns CR?

It is owned by the County Highway Agency.