US Bridges

Harbor Ave over Hog CR

PoorClosed to traffic

Daviess County, Missouri · S 33 T 61 N R 28 W · Structure no. 24805

Built
1928
97 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Harbor Ave over Hog CR is a steel stringer/multi-beam or girder carrying Harbor Ave over Hog CR in Daviess County, Missouri. It was built in 1928, so it is 97 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: closed to all traffic.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 25 ft (7.6 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHarbor Ave
CrossesHog CR
LocationS 33 T 61 N R 28 W
RouteCounty Highway 555
Coordinates40.03189, -94.05847
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
Deck7 GoodSome minor problems.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harbor Ave over Hog CR built?

It was built in 1928, making it 97 years old in 2025.

What condition is Harbor Ave over Hog 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 February 2024.

How much traffic does Harbor Ave over Hog CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Harbor Ave over Hog CR?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 14 ft wide.

Who owns Harbor Ave over Hog CR?

It is owned by the County Highway Agency.