US Bridges

Saturn Lane over Nasa Tram Crossing

Good

Harris County, Texas · 0.37 I NW of Nasa Road 1 · Structure no. 121020B57451302

Built
1992
33 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
9,385
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Saturn Lane over Nasa Tram Crossing is a concrete culvert carrying Saturn Lane over Nasa Tram Crossing in Harris County, Texas. It was built in 1992, so it is 33 years old, younger than the Texas average of 44.4 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 9,385 vehicles a day, roughly 3% of them trucks, projected to reach 13,139 by 2041. The structure is 31 ft (9.6 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSaturn Lane
CrossesNasa Tram Crossing
Location0.37 I NW of Nasa Road 1
RouteCity Street 0
StateTexas
Coordinates29.55352, -95.09753
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span14 ft (4.4 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,385 (2021)
Projected traffic13,139 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Saturn Lane over Nasa Tram Crossing built?

It was built in 1992, making it 33 years old in 2025.

What condition is Saturn Lane over Nasa Tram Crossing 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 December 2023.

How much traffic does Saturn Lane over Nasa Tram Crossing carry?

About 9,385 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Saturn Lane over Nasa Tram Crossing?

The structure is 31 ft (9.6 m) long with a longest span of 14 ft (4.4 m) and a deck 60 ft wide.

Who owns Saturn Lane over Nasa Tram Crossing?

It is owned by the City or Municipal Highway Agency.