US Bridges

FM 1686 over Marcado Crk

Good

Victoria County, Texas · 3.10 MI S of US 59 · Structure no. 132350113201001

Built
1940
85 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
59 ft
5 main spans
Daily traffic
753
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1686 over Marcado Crk is a concrete culvert carrying FM 1686 over Marcado Crk in Victoria County, Texas. It was built in 1940, so it is 85 years old, older 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 753 vehicles a day, roughly 21% of them trucks, projected to reach 1,200 by 2033. The structure is 59 ft (18 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesFM 1686
CrossesMarcado Crk
Location3.10 MI S of US 59
RouteState Highway 1686
CountyVictoria County
StateTexas
Coordinates28.81409, -96.86316
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length59 ft (18 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic753 (2020)
Projected traffic1,200 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1686 over Marcado Crk built?

It was built in 1940, making it 85 years old in 2025.

What condition is FM 1686 over Marcado Crk 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 January 2023.

How much traffic does FM 1686 over Marcado Crk carry?

About 753 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is FM 1686 over Marcado Crk?

The structure is 59 ft (18 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns FM 1686 over Marcado Crk?

It is owned by the State Highway Agency.