US Bridges

Hillsboro H Spr RD over Trib of Belew CR

Good

Jefferson County, Missouri · S 34 T 42 N R 4 E · Structure no. 34433

Built
2014
11 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
1,100
2023 count
Owner
County
County Highway Agency

About this bridge

Hillsboro H Spr RD over Trib of Belew CR is a prestressed concrete stringer/multi-beam or girder carrying Hillsboro H Spr RD over Trib of Belew CR in Jefferson County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 2,200 by 2043. The structure is 61 ft (18.6 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHillsboro H Spr RD
CrossesTrib of Belew CR
LocationS 34 T 42 N R 4 E
RouteCounty Highway 139
Coordinates38.335, -90.57
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic2,200 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hillsboro H Spr RD over Trib of Belew CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Hillsboro H Spr RD over Trib of Belew CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Hillsboro H Spr RD over Trib of Belew CR carry?

About 1,100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Hillsboro H Spr RD over Trib of Belew CR?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 39 ft wide.

Who owns Hillsboro H Spr RD over Trib of Belew CR?

It is owned by the County Highway Agency.