US Bridges

FM 20 over Upper Cedar Hollow

Good

Bastrop County, Texas · 0.35 MI N of FM 812 · Structure no. 140110011504008

Built
1944
81 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
5,859
2023 count
Owner
State
State Highway Agency

About this bridge

FM 20 over Upper Cedar Hollow is a concrete culvert carrying FM 20 over Upper Cedar Hollow in Bastrop County, Texas. It was built in 1944, so it is 81 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 5,859 vehicles a day, roughly 9% of them trucks, projected to reach 4,110 by 2033. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFM 20
CrossesUpper Cedar Hollow
Location0.35 MI N of FM 812
RouteState Highway 20
StateTexas
Coordinates29.96553, -97.44791
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,859 (2023)
Projected traffic4,110 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 20 over Upper Cedar Hollow built?

It was built in 1944, making it 81 years old in 2025.

What condition is FM 20 over Upper Cedar Hollow 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 November 2024.

How much traffic does FM 20 over Upper Cedar Hollow carry?

About 5,859 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FM 20 over Upper Cedar Hollow?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns FM 20 over Upper Cedar Hollow?

It is owned by the State Highway Agency.