US Bridges

Cox Hill RD over Heeb CR

FairPosted for load

Scott County, Missouri · S 18 T 28 N R 13 E · Structure no. 14835

Built
1991
34 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cox Hill RD over Heeb CR is a steel stringer/multi-beam or girder carrying Cox Hill RD over Heeb CR in Scott County, Missouri. It was built in 1991, so it is 34 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. 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 26 ft (7.9 m) long and 16 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCox Hill RD
CrossesHeeb CR
LocationS 18 T 28 N R 13 E
RouteCity Street 0
CountyScott County
StateMissouri
Coordinates37.17434, -89.65121
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.5 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic420 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Cox Hill RD over Heeb CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cox Hill RD over Heeb 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 January 2025.

How much traffic does Cox Hill RD over Heeb CR carry?

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

How long is Cox Hill RD over Heeb CR?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns Cox Hill RD over Heeb CR?

It is owned by the City or Municipal Highway Agency.