US Bridges

Mumford RD over Still Creek

Good

Brazos County, Texas · 0.50 MI NW of SH 21 · Structure no. 170210AA0302003

Built
1992
33 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
130
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mumford RD over Still Creek is a concrete culvert carrying Mumford RD over Still Creek in Brazos 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 130 vehicles a day, projected to reach 180 by 2038. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMumford RD
CrossesStill Creek
Location0.50 MI NW of SH 21
RouteCity Street 0
CountyBrazos County
StateTexas
Coordinates30.68525, -96.39289
Functional classRural Local

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 inspectionSeptember 2023
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 adequacy7: Better than 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 loadHS 20
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2018)
Projected traffic180 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mumford RD over Still Creek built?

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

What condition is Mumford RD over Still Creek 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 September 2023.

How much traffic does Mumford RD over Still Creek carry?

About 130 vehicles per day (2018 count).

How long is Mumford RD over Still Creek?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m) and a deck 30 ft wide.

Who owns Mumford RD over Still Creek?

It is owned by the City or Municipal Highway Agency.