US Bridges

Spur 548 Conn a over IH 610 WB Rp & Frisco ST

Fair

Harris County, Texas · 0.00 MI N of IH 610 · Structure no. 121020248301451

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
740 ft
3 main spans
Daily traffic
15,000
2018 count
Owner
State
State Highway Agency

About this bridge

Spur 548 Conn a over IH 610 WB Rp & Frisco ST is a steel continuous stringer/multi-beam or girder carrying Spur 548 Conn a over IH 610 WB Rp & Frisco ST in Harris County, Texas. It was built in 1988, so it is 37 years old, younger than the Texas average of 44.4 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.

It carries about 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 44,320 by 2035. The structure is 740 ft (225.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpur 548 Conn a
CrossesIH 610 WB Rp & Frisco ST
Location0.00 MI N of IH 610
RouteState Highway 548
StateTexas
Coordinates29.81466, -95.35308
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadHS 20
Structure length740 ft (225.6 m)
Longest span150 ft (45.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2018)
Projected traffic44,320 by 2035
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spur 548 Conn a over IH 610 WB Rp & Frisco ST built?

It was built in 1988, making it 37 years old in 2025.

What condition is Spur 548 Conn a over IH 610 WB Rp & Frisco ST 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 November 2024.

How much traffic does Spur 548 Conn a over IH 610 WB Rp & Frisco ST carry?

About 15,000 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Spur 548 Conn a over IH 610 WB Rp & Frisco ST?

The structure is 740 ft (225.6 m) long with a longest span of 150 ft (45.7 m) and a deck 29 ft wide.

Who owns Spur 548 Conn a over IH 610 WB Rp & Frisco ST?

It is owned by the State Highway Agency.