US Bridges

Crosby-Lynchburg over Lynchburg Res. Canal

FairPosted for load

Harris County, Texas · 0.10 MI N of IH 10 · Structure no. 121020AA9962003

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
3 main spans
Daily traffic
20,631
2016 count
Owner
County
County Highway Agency

About this bridge

Crosby-Lynchburg over Lynchburg Res. Canal is a prestressed concrete box beam or girders - multiple carrying Crosby-Lynchburg over Lynchburg Res. Canal in Harris County, Texas. It was built in 1970, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 20,631 vehicles a day, projected to reach 20,000 by 2028. The structure is 98 ft (29.9 m) long and 77 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCrosby-Lynchburg
CrossesLynchburg Res. Canal
Location0.10 MI N of IH 10
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.79283, -95.05656
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span32 ft (9.8 m)
Deck width77 ft (23.6 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,631 (2016)
Projected traffic20,000 by 2028
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crosby-Lynchburg over Lynchburg Res. Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Crosby-Lynchburg over Lynchburg Res. Canal 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 October 2023.

How much traffic does Crosby-Lynchburg over Lynchburg Res. Canal carry?

About 20,631 vehicles per day (2016 count).

How long is Crosby-Lynchburg over Lynchburg Res. Canal?

The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 77 ft wide.

Who owns Crosby-Lynchburg over Lynchburg Res. Canal?

It is owned by the County Highway Agency.