US Bridges

US 59 Nbfr over San Jacinto Ri Rel

Fair

Harris County, Texas · 1.0 MI N of FM 1960 · Structure no. 121020017706233

Built
1999
26 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
1 main span
Daily traffic
499
2022 count
Owner
State
State Highway Agency

About this bridge

US 59 Nbfr over San Jacinto Ri Rel is a prestressed concrete stringer/multi-beam or girder carrying US 59 Nbfr over San Jacinto Ri Rel in Harris County, Texas. It was built in 1999, so it is 26 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 499 vehicles a day, roughly 3% of them trucks, projected to reach 1,350 by 2042. The structure is 200 ft (61 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59 Nbfr
CrossesSan Jacinto Ri Rel
Location1.0 MI N of FM 1960
RouteU.S. Route 59
StateTexas
Coordinates30.02027, -95.26073
Functional classUrban Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic499 (2022)
Projected traffic1,350 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 59 Nbfr over San Jacinto Ri Rel built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 59 Nbfr over San Jacinto Ri Rel 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 December 2024.

How much traffic does US 59 Nbfr over San Jacinto Ri Rel carry?

About 499 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is US 59 Nbfr over San Jacinto Ri Rel?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 48 ft wide.

Who owns US 59 Nbfr over San Jacinto Ri Rel?

It is owned by the State Highway Agency.