US Bridges

Gutenberg ST over Frene CR

Fair

Gasconade County, Missouri · S 36 T 45 N R 5 W · Structure no. 18613

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
60 ft
1 main span
Daily traffic
200
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gutenberg ST over Frene CR is a steel girder and floorbeam system carrying Gutenberg ST over Frene CR in Gasconade County, Missouri. It was built in 1962, so it is 63 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 240 by 2044. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGutenberg ST
CrossesFrene CR
LocationS 36 T 45 N R 5 W
RouteCity Street 0
Coordinates38.70284, -91.43329
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width16 ft (5 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic240 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gutenberg ST over Frene CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Gutenberg ST over Frene 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 2024.

How much traffic does Gutenberg ST over Frene CR carry?

About 200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Gutenberg ST over Frene CR?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.

Who owns Gutenberg ST over Frene CR?

It is owned by the City or Municipal Highway Agency.