US Bridges

County RD 480 over Jasper Spring Br

FairPosted for load

Pike County, Missouri · S 6 T 52 N R 3 W · Structure no. 17332

Built
1900
125 years old, rebuilt 2011
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 480 over Jasper Spring Br is a steel stringer/multi-beam or girder carrying County RD 480 over Jasper Spring Br in Pike County, Missouri. It was built in 1900 and reconstructed in 2011, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 44 ft (13.4 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 480
CrossesJasper Spring Br
LocationS 6 T 52 N R 3 W
RouteCounty Highway 149
Coordinates39.30675, -91.289
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length44 ft (13.4 m)
Longest span38 ft (11.6 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 County RD 480 over Jasper Spring Br built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2011.

What condition is County RD 480 over Jasper Spring Br 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 July 2024.

How much traffic does County RD 480 over Jasper Spring Br carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 480 over Jasper Spring Br?

The structure is 44 ft (13.4 m) long with a longest span of 38 ft (11.6 m) and a deck 14 ft wide.

Who owns County RD 480 over Jasper Spring Br?

It is owned by the County Highway Agency.