US Bridges

Second ST over Heeb CR

PoorPosted for load

Scott County, Missouri · S 18 T 29 N R 13 E · Structure no. 14839

Built
1974
51 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Second ST over Heeb CR is a prestressed concrete tee beam carrying Second ST over Heeb CR in Scott County, Missouri. It was built in 1974, so it is 51 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2043. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSecond ST
CrossesHeeb CR
LocationS 18 T 29 N R 13 E
RouteCity Street 0
Coordinates37.17443, -89.66066
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic420 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$338,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Second ST over Heeb CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Second ST over Heeb CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Second ST over Heeb CR carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Second ST over Heeb CR?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns Second ST over Heeb CR?

It is owned by the City or Municipal Highway Agency.